README.md · popyeah/awesome-python-applications

# Awesome Python Applications

*Case studies in successfully shipping Python software* <a href="https://raw.githubusercontent.com/mahmoud/awesome-python-applications/master/atom.xml" target="_blank"><img src="https://raw.githubusercontent.com/mahmoud/awesome-python-applications/master/templates/rss.png" /></a>

As developers, we spend our days with code. The site you're reading
this on is mostly modules, packages, libraries, frameworks, and the
like. But users see applications.

When building our own applications, open-source Python applications
are a gold mine of practical patterns that we know work together. A
production application is worth a thousand blog posts and Stack
Overflow answers.

This document is an always-growing list of **393**
open-source Python applications arranged by topic, with links to
repositories, docs, and more, generated from [structured
data](https://github.com/mahmoud/awesome-python-applications/blob/master/projects.yaml)
using [apatite](https://github.com/mahmoud/apatite). If you have one
to add or find some information missing, [please let us
know](https://github.com/mahmoud/awesome-python-applications/issues)!

Read [**the announcement post**](http://sedimental.org/awesome_python_applications.html) to learn more about this list.<br/>
Subscribe to [**the RSS/Atom feed**](https://raw.githubusercontent.com/mahmoud/awesome-python-applications/master/atom.xml) to see new applications added.

**Contents**

1. <a href="#tag-internet">Internet</a> *(33)*
1. <a href="#tag-audio">Audio</a> *(17)*
1. <a href="#tag-video">Video</a> *(7)*
1. <a href="#tag-graphics">Graphics</a> *(20)*
1. <a href="#tag-games">Games</a> *(10)*
1. <a href="#tag-productivity">Productivity</a> *(24)*
1. <a href="#tag-organization">Organization</a> *(39)*
1. <a href="#tag-communication">Communication</a> *(33)*
1. <a href="#tag-education">Education</a> *(8)*
1. <a href="#tag-science">Science</a> *(22)*
1. <a href="#tag-cms">CMS</a> *(11)*
1. <a href="#tag-erp">ERP</a> *(5)*
1. <a href="#tag-static_site">Static Site</a> *(9)*
1. <a href="#tag-dev">Dev</a> *(171)*
    1. <a href="#tag-dev.scm">SCM</a> *(17)*
    1. <a href="#tag-dev.code_review">Code Review</a> *(4)*
    1. <a href="#tag-dev.storage">Storage</a> *(17)*
    1. <a href="#tag-dev.ops">Ops</a> *(25)*
    1. <a href="#tag-dev.security">Security</a> *(26)*
    1. <a href="#tag-dev.docs">Docs</a> *(7)*
    1. <a href="#tag-dev.editor">Editor</a> *(13)*
    1. <a href="#tag-dev.pkg_mgr">Package Managers</a> *(10)*
    1. <a href="#tag-dev.pkg_repo">Package Repositories</a> *(5)*
    1. <a href="#tag-dev.build">Build</a> *(13)*
    1. <a href="#tag-dev.shell">Shell</a> *(3)*
    1. <a href="#tag-dev-other">Other Dev projects</a> *(32)*
1. <a href="#tag-misc">Misc</a> *(13)*

## <a id="tag-internet" href="#tag-internet">Internet</a>

1. **ArchiveBox** - ([Repo](https://github.com/pirate/ArchiveBox), [Home](https://archivebox.io/), [Docs](https://github.com/pirate/ArchiveBox/wiki)) Self-hosted web archive, for creating local, browsable backups of content from the web. Imports HTML, JS, PDFs, video, subtitles, git repositories, and more, from Pocket, Pinboard, browser history, etc. `(organization, linux, windows, docker)`
  1. **archivematica** - ([Repo](https://github.com/artefactual/archivematica), [Home](https://www.archivematica.org/en), [Docs](https://www.archivematica.org/en/docs)) Digital preservation system designed to maintain standards-based, long-term access to collections of digital objects, targeted at archivists and librarians. `(organization, server)`
  1. **Canto** - ([Repo](https://github.com/themoken/canto-next), [WP](https://en.wikipedia.org/wiki/Canto_%28news_aggregator%29)) RSS daemon and [curses-based client](https://github.com/themoken/canto-curses). `(linux, tui)`
  1. **CTFd** - ([Repo](https://github.com/CTFd/CTFd), [Home](https://ctfd.io/), [Docs](https://github.com/CTFd/CTFd/wiki)) CTFd is a Capture The Flag framework focusing on ease of use and customizability. It comes with everything you need to run a CTF and it's easy to customize with plugins and themes. `(server)`
  1. **Deluge** - ([Repo](https://github.com/deluge-torrent/deluge), [Home](https://deluge-torrent.org/), [WP](https://en.wikipedia.org/wiki/Deluge_%28software%29), [Fund](https://www.patreon.com/deluge_cas)) Popular, lightweight, cross-platform BitTorrent client. `(linux, windows, mac, server, gtk)`
  1. **Elixire** - ([Repo](https://gitlab.com/elixire/elixire), [Home](https://elixi.re/), [Docs](https://gitlab.com/elixire/api-docs)) Featureful file host and link shortener with API and support for multiple vanity urls. `(server)`
  1. **FlaskBB** - ([Repo](https://github.com/flaskbb/flaskbb), [Home](https://flaskbb.org/), [Demo](https://forums.flaskbb.org/), [Docs](https://flaskbb.readthedocs.io/en/latest)) A classic web forum application (bulletin board) with a modern look. `(server)`
  1. **gPodder** - ([Repo](https://github.com/gpodder/gpodder), [Home](https://gpodder.org/)) Simple, mature media aggregator and podcast client. `(linux, windows, mac, gtk)`
  1. **hosts** - ([Repo](https://github.com/StevenBlack/hosts)) Command-line application which merges reputable [hosts files](https://en.wikipedia.org/wiki/Hosts_(file)) with deduplication for the purpose of blocking undesirable websites via DNS blackhole. `(security, linux, windows, mac)`
  1. **httpie** - ([Repo](https://github.com/jakubroztocil/httpie), [Home](https://httpie.org/), [PyPI](https://pypi.org/project/httpie)) Command-line HTTP client with JSON support, syntax highlighting, wget-like downloads, extensions, and more. `(dev, linux, windows, mac)`
  1. **Isso** - ([Repo](https://github.com/posativ/isso), [Home](https://posativ.org/isso)) Lightweight commenting server, designed as a drop-in replacement for Disqus. `(server)`
  1. **KindleEar** - ([Repo](https://github.com/cdhigh/KindleEar), [Docs](https://github.com/cdhigh/KindleEar/blob/master/readme_EN.md)) Web application to automatically aggregate RSS into periodical mobi/epub files with images and send it to your kindle or your email. `(server)`
  1. **Mylar** - ([Repo](https://github.com/evilhero/mylar)) A web-based automated comic book downloader (cbr/cbz) for use with SABnzbd, NZBGet, and torrents. `(graphics, linux)`
  1. **Neubot** - ([Repo](https://github.com/neubot/neubot), [Home](http://www.neubot.org/)) Lightweight agent which collects data for net-neutrality research. `(linux, windows, mac)`
  1. **NewsBlur** - ([Repo](https://github.com/samuelclay/NewsBlur), [Home](https://www.newsblur.com/)) Web-based personal news reader. `(server, django)`
  1. **Newspipe** - ([Repo](https://gitlab.com/newspipe/newspipe), [Demo](https://www.newspipe.org/), [gh](https://github.com/newspipe/newspipe), [Docs](https://newspipe.readthedocs.io/en/latest)) Web-based news aggregator and reader. `(server)`
  1. **nsupdate.info** - ([Repo](https://github.com/nsupdate-info/nsupdate.info), [PyPI](https://pypi.org/project/nsupdate), [Docs](https://nsupdateinfo.readthedocs.io/en/latest)) Featureful dynamic DNS service, using the Dynamic DNS UPDATE protocol ([RFC 2136](https://tools.ietf.org/html/rfc2136)) to update BIND and other major nameservers. `(ops, server)`
  1. **Nyaa** - ([Repo](https://github.com/nyaadevs/nyaa)) Bittorrent tracker software built for anime site [nyaa.si](https://nyaa.si/). `(server)`
  1. **Pi-Hole** - ([Repo](https://github.com/pi-hole/pi-hole), [Home](https://pi-hole.net/), [WP](https://en.wikipedia.org/wiki/Pi-hole)) Linux network-level advertisement and internet tracker blocking application which acts as a DNS sinkhole, and (optionally) a DHCP server, intended for use on a private network. `(linux, server)`
  1. **Planet** - ([Repo](https://github.com/python/planet), [Home](https://web.archive.org/web/20051029095046/http%3A/www.planetplanet.org), [WP](https://en.wikipedia.org/wiki/Planet_%28software%29)) RSS and Atom feed aggregator, designed to collect posts from the weblogs of members of an Internet community and display them on a single page. Used to power [Planet Python](https://planetpython.org/) and many more. `(server)`
  1. **Pol** - ([Repo](https://github.com/taroved/pol), [Home](https://politepol.com/)) Web application which allows users to subscribe to changes on a web site via an autogenerated RSS feed. `(server)`
  1. **PyLoad** - ([Repo](https://github.com/pyload/pyload), [Home](https://pyload.net/)) Download manager with a web interface and API. `(linux, windows, mac)`
  1. **Qute Browser** - ([Repo](https://github.com/qutebrowser/qutebrowser), [Home](https://www.qutebrowser.org/)) Keyboard-driven, minimal, `vim`-like browser based on PyQt5. `(linux, windows, mac, qt5)`
  1. **Reddit** - ([Repo](https://github.com/reddit-archive/reddit), [Home](http://reddit.com/)) Social news forum with voting, commenting, karma, and more. (Archival repo from 2017.) `(server)`
  1. **SABnzbd** - ([Repo](https://github.com/sabnzbd/sabnzbd), [Home](https://sabnzbd.org/), [Docs](https://sabnzbd.org/wiki)) Simple, cross-platform newsreader for downloading from Usenet. Supports many integrations and 16 languages. `(linux, windows, mac, server)`
  1. **Searx** - ([Repo](https://github.com/asciimoo/searx), [Docs](https://asciimoo.github.io/searx)) Self-hosted metasearch engine, aggregating results from more than 70 services while avoiding tracking and profiling. `(security, server, flask)`
  1. **speedtest-cli** - ([Repo](https://github.com/sivel/speedtest-cli)) Command-line interface for testing Internet bandwidth using [speedtest.net](https://speedtest.net). `(console)`
  1. **streamlink** - ([Repo](https://github.com/streamlink/streamlink), [Home](https://streamlink.github.io/), [PyPI](https://pypi.org/project/streamlink)) Command-line utility that extracts streams from various services and pipes them into a video player of choice. `(linux, windows, mac)`
  1. **syncserver** - ([Repo](https://github.com/mozilla-services/syncserver), [Docs](https://mozilla-services.readthedocs.io/en/latest/howtos/run-sync-1.5.html)) All-in-one package for running a self-hosted Mozilla Firefox Sync server. `(server)`
  1. **Tribler** - ([Repo](https://github.com/Tribler/tribler), [Home](http://www.tribler.org/), [WP](https://en.wikipedia.org/wiki/Tribler)) Privacy enhanced BitTorrent client with P2P content discovery. `(linux, windows, mac, qt5)`
  1. **You-Get** - ([Repo](https://github.com/soimort/you-get), [Home](https://you-get.org/)) Command-line program to browserlessly scrape and stream video, audio, and images from web sites. `(linux, windows, mac)`
  1. **youtube-dl** - ([Repo](https://github.com/rg3/youtube-dl), [Home](http://rg3.github.io/youtube-dl), [PyPI](https://pypi.org/project/youtube_dl)) Command-line program to browserlessly archive video and audio from YouTube and hundreds of other sites. `(linux, windows, mac)`
  1. **ZeroNet** - ([Repo](https://github.com/HelloZeroNet/ZeroNet), [Home](https://zeronet.io/), [WP](https://en.wikipedia.org/wiki/ZeroNet), [Docs](https://zeronet.readthedocs.io/en/latest)) Open, free, and uncensorable websites, using Bitcoin cryptography and BitTorrent network. `(linux, windows, mac)`

## <a id="tag-audio" href="#tag-audio">Audio</a>

1. **Beets** - ([Repo](https://github.com/beetbox/beets), [Home](http://beets.io/), [PyPI](https://pypi.org/project/beets)) Feature-rich command-line music library manager with web UI, duplicate detection, transcoding, and tagging support, integrating with MusicBrainz, Discogs, and more. `(linux, windows, mac)`
  1. **Exaile** - ([Repo](https://github.com/exaile/exaile), [WP](https://en.wikipedia.org/wiki/Exaile)) Cross-platform audio player, tag editor, and library organizer. `(linux, windows, mac, gtk)`
  1. **Frescobaldi** - ([Repo](https://github.com/wbsoft/frescobaldi), [WP](https://en.wikipedia.org/wiki/Frescobaldi_%28software%29)) An editor for [LilyPond](https://en.wikipedia.org/wiki/LilyPond) music files. `(linux, windows, mac, qt)`
  1. **Friture** - ([Repo](https://github.com/tlecomte/friture), [Home](http://friture.org/)) Visualizes and analyzes live audio data in real-time, including scope, spectrum analyzer, rolling 2D spectrogram, and more. `(linux, windows, mac, qt5)`
  1. **Funkwhale** - ([Repo](https://dev.funkwhale.audio/funkwhale/funkwhale), [Home](https://funkwhale.audio/en_US), [Docs](https://docs.funkwhale.audio/)) Web-based, community-driven project that lets you listen and share music and audio within a decentralized, open network. `(server)`
  1. **GNU Radio** - ([Repo](https://github.com/gnuradio/gnuradio), [Home](https://www.gnuradio.org/), [WP](https://en.wikipedia.org/wiki/GNU_Radio)) Software development toolkit that provides signal processing blocks to implement software-defined radios and signal-processing systems. `(linux, windows, mac, cpp, qt)`
  1. **GNU Solfege** - ([Repo](http://git.savannah.gnu.org/cgit/solfege.git), [WP](https://en.wikipedia.org/wiki/GNU_Solfege)) An ear-training program intended to help musicians improve their skills. `(linux, windows, mac, gtk)`
  1. **Mopidy** - ([Repo](https://github.com/mopidy/mopidy), [Home](https://www.mopidy.com/)) Extensible music player server with plugin support for a wide range of services. `(server)`
  1. **Music Player** - ([Repo](https://github.com/albertz/music-player), [Home](http://albertz.github.io/music-player)) A simple music player designed around an infinite intelligent playlist, with support for headless playback. `(linux, mac)`
  1. **MusicBrainz Picard** - ([Repo](https://github.com/metabrainz/picard), [Home](https://picard.musicbrainz.org/), [WP](https://en.wikipedia.org/wiki/MusicBrainz_Picard)) Automatically identify, tag, and organize music albums and other digital audio recordings. `(linux, windows, mac, qt)`
  1. **Musikernel** - ([Repo](https://github.com/j3ffhubb/musikernel)) All-in-one Digital Audio Workstation (DAW) with a suite of instrument and effect plugins. `(linux, windows, mac)`
  1. **PuddleTag** - ([Repo](https://github.com/keithgg/puddletag), [WP](https://en.wikipedia.org/wiki/Puddletag)) An audio tag (metadata) editor for audio file formats. `(linux, qt4)`
  1. **Quod Libet** - ([Repo](https://github.com/quodlibet/quodlibet), [WP](https://en.wikipedia.org/wiki/Quod_Libet_%28software%29)) Cross-platform audio player, tag editor, and library organizer. `(linux, windows, mac, gtk)`
  1. **SoundConverter** - ([Repo](https://github.com/kassoulet/soundconverter), [WP](https://en.wikipedia.org/wiki/GNOME_SoundConverter)) A GNOME-based audio file transcoder. `(linux, gtk)`
  1. **SoundGrain** - ([Repo](https://github.com/belangeo/soundgrain), [Home](http://ajaxsoundstudio.com/software/soundgrain), [Fund](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=9CA99DH6ES3HA)) Graphical interface designed for drawing and editing trajectories to control [granular sound synthesis](https://en.wikipedia.org/wiki/Granular_synthesis). `(linux, windows, mac)`
  1. **Supysonic** - ([Repo](https://github.com/spl0k/supysonic)) Implementation of the [Subsonic server API](http://www.subsonic.org/), with support for browsing, streaming, transcoding, scrobbling, and more. `(server)`
  1. **Whipper** - ([Repo](https://github.com/whipper-team/whipper)) A CLI-based CD Audio ripper designed for accuracy over speed, with support for overriding hardware caches, accuracy verification, MusicBrainz metadata lookup, hidden tracks, FLAC, and much more. `(linux)`

## <a id="tag-video" href="#tag-video">Video</a>

1. **Flowblade** - ([Repo](https://github.com/jliljebl/flowblade), [WP](https://en.wikipedia.org/wiki/Flowblade)) Multitrack, non-linear video editing software for Linux. `(linux, gtk)`
  1. **Open Streaming Platform** - ([Repo](https://gitlab.com/Deamos/flask-nginx-rtmp-manager)) Self-hosted video streaming and recording server, designed as an alternative to Twitch and YouTube. `(games, server)`
  1. **OpenShot** - ([Repo](https://github.com/OpenShot/openshot-qt), [Home](https://www.openshot.org/), [WP](https://en.wikipedia.org/wiki/OpenShot), [Fund](https://www.patreon.com/openshot)) A cross-platform video editor for FreeBSD, Linux, macOS, and Windows. `(linux, windows, mac, qt5)`
  1. **Pitivi** - ([Repo](https://gitlab.gnome.org/GNOME/pitivi), [WP](https://en.wikipedia.org/wiki/Pitivi)) Non-linear video editor for Linux, based on GStreamer. `(linux, gtk)`
  1. **Plumi** - ([Repo](https://github.com/plumi/plumi.app), [WP](https://en.wikipedia.org/wiki/Plumi)) Video sharing content management system based on [Plone](https://en.wikipedia.org/wiki/Plone_(software)). `(cms, server, plone)`
  1. **PyVideo** - ([Repo](https://github.com/pyvideo/pyvideo), [Home](https://pyvideo.org/)) Static media index custom-built for the Python community, and all the content our meetings and conferences produce. `(static_site, linux, server)`
  1. **Vidcutter** - ([Repo](https://github.com/ozmartian/vidcutter)) GUI and CLI aiming to be the fastest and simplest way to cut and join video. `(linux, windows, mac)`

## <a id="tag-graphics" href="#tag-graphics">Graphics</a>

1. **cartoonify / Draw This.** - ([Repo](https://github.com/danmacnish/cartoonify), [Home](https://www.kapwing.com/cartoonify)) Turn a photograph into a toddler's drawing. Automatically! `(console, docker, hardware)`
  1. **Cura** - ([Repo](https://github.com/Ultimaker/Cura), [Home](https://ultimaker.com/software/ultimaker-cura), [WP](https://en.wikipedia.org/wiki/Cura_%28software%29), [Docs](https://ultimaker.com/en/resources/manuals/software)) Popular desktop software for preparation and control of 3D printing, integrated with CAD workflows. `(linux, windows, mac, corp, hardware)`
  1. **DrawBot** - ([Repo](https://github.com/typemytype/drawbot), [Home](http://www.drawbot.com/), [WP](https://en.wikipedia.org/wiki/DrawBot)) A powerful programmatic 2D drawing application for MacOS X which generates graphics from Python scripts. `(education, dev, mac)`
  1. **FreeCAD** - ([Repo](https://github.com/FreeCAD/FreeCAD), [WP](https://en.wikipedia.org/wiki/FreeCAD)) General-purpose parametric 3D CAD modeler and a building information modeling (BIM) software with finite-element-method (FEM) support. `(linux, windows, mac, cpp, qt)`
  1. **Gaphor** - ([Repo](https://github.com/gaphor/gaphor), [Docs](https://gaphor.readthedocs.io/en/latest)) Simple [UML](https://en.wikipedia.org/wiki/Unified_Modeling_Language) modeling tool designed for beginners. `(docs, linux, windows, mac, flatpak, gtk)`
  1. **Lector** - ([Repo](https://github.com/BasioMeusPuga/Lector)) Desktop ebook reader and browser, with support for many formats, including comic book archives. `(linux)`
  1. **MakeHuman** - ([Repo](https://bitbucket.org/MakeHuman/makehuman), [WP](https://en.wikipedia.org/wiki/MakeHuman)) 3D computer graphics software designed for the prototyping of photo realistic humanoids. `(linux, windows, mac, qt)`
  1. **Meshroom** - ([Repo](https://github.com/alicevision/meshroom), [Home](http://alicevision.github.io/)) Photogrammetry pipeline, for turning photographs into 3D models. `(linux, windows, mac, qt)`
  1. **Mylar** - ([Repo](https://github.com/evilhero/mylar)) A web-based automated comic book downloader (cbr/cbz) for use with SABnzbd, NZBGet, and torrents. `(internet, linux)`
  1. **MyPaint** - ([Repo](https://github.com/mypaint/mypaint), [Home](http://mypaint.org/), [WP](https://en.wikipedia.org/wiki/MyPaint)) Raster graphics editor for digital painters with a focus on painting rather than image manipulation. `(linux, windows, mac, gtk)`
  1. **NFO Viewer** - ([Repo](https://github.com/otsaloma/nfoview), [Home](https://otsaloma.io/nfoview)) A simple viewer for NFO files and the ASCII art therein, with preset fonts, encodings, automatic window sizing, and clickable hyperlinks. `(misc, linux, windows)`
  1. **OCRFeeder** - ([Repo](https://gitlab.gnome.org/GNOME/ocrfeeder), [WP](https://en.wikipedia.org/wiki/OCRFeeder)) An optical character recognition suite for GNOME, with support for command-line OCR engines like CuneiForm, GOCR, Ocrad and Tesseract. `(linux, gtk)`
  1. **OCRopus** - ([Repo](https://github.com/tmbdev/ocropy), [WP](https://en.wikipedia.org/wiki/OCRopus)) Document analysis and optical character recognition (OCR) system. `(linux, mac, console)`
  1. **Octoprint** - ([Repo](https://github.com/foosel/OctoPrint), [Home](https://octoprint.org/), [Fund](https://www.patreon.com/foosel)) Web-based controller for consumer 3D printers. `(server, flask, hardware)`
  1. **PhotoCollage** - ([Repo](https://github.com/adrienverge/PhotoCollage)) Automatically lays out a photo collage to fill out a given poster space. `(linux, gtk)`
  1. **Photonix** - ([Repo](https://github.com/damianmoore/photonix), [Home](https://photonix.org/), [Demo](https://demo.photonix.org/)) Web-based photo management, featuring smart filtering with object recognition, location awareness, color analysis, and more. `(server)`
  1. **Pynocchio** - ([Repo](https://github.com/mstuttgart/pynocchio), [Home](https://mstuttgart.github.io/pynocchio)) Minimalist comic reader, supporting many common image and archive formats. `(linux)`
  1. **Quru Image Server** - ([Repo](https://github.com/quru/qis), [Home](https://www.quruimageserver.com/), [Demo](https://images.quru.com/demo), [Docs](https://github.com/quru/qis/blob/master/doc/overview.md)) High-performance web server for creating and delivering dynamic images. `(server)`
  1. **SK1** - ([Repo](https://github.com/sk1project/sk1-wx), [Home](https://sk1project.net/), [WP](https://en.wikipedia.org/wiki/SK1_%28program%29)) Feature-rich, cross-platform illustration program. `(linux, windows, mac, gtk, wx)`
  1. **Thumbor** - ([Repo](https://github.com/thumbor/thumbor), [Home](http://thumbor.org/), [Docs](https://thumbor.readthedocs.io/)) Photo thumbnail service with resizing, flipping, and smart cropping of images. `(dev, server)`

## <a id="tag-games" href="#tag-games">Games</a>

1. **Cataclysm: Dark Days Ahead (Launcher)** - ([Repo](https://github.com/remyroy/CDDA-Game-Launcher), [Home](https://cataclysmdda.org/)) Launcher for popular FOSS game [CDDA](https://cataclysmdda.org/), which supports automatic updates and mod management. `(linux, windows, mac)`
  1. **Frets on Fire X** - ([Repo](https://github.com/fofix/fofix)) Highly customizable rhythm game supporting many modes of guitar, bass, drum, and vocal gameplay for up to four players. `(linux, windows, pygame)`
  1. **Lucas Chess** - ([Repo](https://github.com/lukasmonk/lucaschess), [Home](http://lucaschess.pythonanywhere.com/)) Featureful chess client for Windows, with some Linux support. `(linux, windows, qt4)`
  1. **Lutris** - ([Repo](https://github.com/lutris/lutris), [Home](https://lutris.net/), [WP](https://en.wikipedia.org/wiki/Lutris), [Fund](https://www.patreon.com/lutris)) Gaming platform for GNU/Linux, managing game installations with a unified interface. `(linux, gtk)`
  1. **Open Streaming Platform** - ([Repo](https://gitlab.com/Deamos/flask-nginx-rtmp-manager)) Self-hosted video streaming and recording server, designed as an alternative to Twitch and YouTube. `(video, server)`
  1. **PyChess** - ([Repo](https://github.com/pychess/pychess), [Home](http://pychess.org/), [WP](https://en.wikipedia.org/wiki/PyChess)) Advanced chess client, suitable for new, casual, and competitive play. `(linux, windows, gtk)`
  1. **Pyfa** - ([Repo](https://github.com/pyfa-org/Pyfa)) Python Fitting Assistant, cross-platform experimentation tool for [EVE Online](https://en.wikipedia.org/wiki/Eve_Online) ship fittings. `(linux, windows, mac)`
  1. **PySolFC** - ([Repo](https://github.com/shlomif/PySolFC), [Home](https://pysolfc.sourceforge.io/), [Android](https://f-droid.org/en/packages/org.lufebe16.pysolfc)) Highly-portable collection of solitaire card games. `(linux, windows, android, kivy, tk)`
  1. **term2048** - ([Repo](https://github.com/bfontaine/term2048), [PyPI](https://pypi.python.org/pypi/term2048)) TUI version of [2048](http://gabrielecirulli.github.io/2048/). `(linux, mac, tui)`
  1. **Unknown Horizons** - ([Repo](https://github.com/unknown-horizons/unknown-horizons), [Home](http://unknown-horizons.org/)) 2D real-time strategy simulation with an emphasis on economy and city building. (Not unlike Age of Empires) `(linux, windows, mac)`

## <a id="tag-productivity" href="#tag-productivity">Productivity</a>

1. **Autokey** - ([Repo](https://github.com/autokey/autokey), [WP](https://en.wikipedia.org/wiki/AutoKey), [PyPI](https://pypi.org/project/autokey)) Desktop automation utility for Linux and X11. `(linux, gtk, qt)`
  1. **Bleachbit** - ([Repo](https://github.com/bleachbit/bleachbit), [Home](https://www.bleachbit.org/)) System cleaner designed to free disk space and maintain privacy. `(linux, windows, gtk)`
  1. **BorgBackup** - ([Repo](https://github.com/borgbackup/borg), [Home](https://www.borgbackup.org/)) Deduplicating backup system with optional encryption and other features. `(linux)`
  1. **Bup** - ([Repo](https://github.com/Bup/Bup), [Home](https://bup.github.io/)) Efficient backup system based on the git packfile format, providing fast incremental saves and global deduplication. `(linux, mac)`
  1. **Excalibur** - ([Repo](https://github.com/camelot-dev/excalibur)) Web interface to extract tabular data from PDFs. `(linux, windows)`
  1. **Glances** - ([Repo](https://github.com/nicolargo/glances), [Home](https://nicolargo.github.io/glances), [Docs](https://glances.readthedocs.io/en/stable)) A cross-platform top/htop alternative, providing an overview of system resources. `(ops, linux, windows, mac, server)`
  1. **gmvault** - ([Repo](https://github.com/gaubert/gmvault), [Home](http://gmvault.org/)) Tool for backing up gmail accounts. `(linux, windows, mac, qt5)`
  1. **Gridsync** - ([Repo](https://github.com/gridsync/gridsync)) Cross-platform GUI built to synchronize local directories with Tahoe-LAFS storage grids. `(storage, linux, windows, mac)`
  1. **GTimeLog** - ([Repo](https://github.com/gtimelog/gtimelog), [Home](https://gtimelog.org/), [Fund](https://ko-fi.com/mgedmin), [Docs](https://gtimelog.org/docs.html)) Desktop-based time tracker with support for logging billable/non-billable work. `(organization, linux, windows, mac)`
  1. **Kibitzr** - ([Repo](https://github.com/kibitzr/kibitzr), [Home](https://kibitzr.github.io/), [PyPI](https://pypi.org/project/kibitzr), [Docs](https://kibitzr.readthedocs.io/)) Self-hosted personal assistant server for automating routine tasks. `(server)`
  1. **Mackup** - ([Repo](https://github.com/lra/mackup), [PyPI](https://pypi.org/project/mackup)) Utility to back up and synchronize application settings, with support for several storage backends (e.g., Dropbox, Git), and dozens of applications. `(linux, mac)`
  1. **Metamorphose** - ([Repo](https://github.com/metamorphose/metamorphose2), [Home](http://file-folder-ren.sourceforge.net/)) Graphical mass renaming program for files and folders. `(linux, windows, mac, wx)`
  1. **Nuxeo Drive** - ([Repo](https://github.com/nuxeo/nuxeo-drive), [Home](https://www.nuxeo.com/products/drive-desktop-sync), [Docs](https://doc.nuxeo.com/client-apps/nuxeo-drive)) Cross-platform desktop synchronization client for the Nuxeo platform. `(storage, linux, windows, mac, console, appimage, lgpl, qt5)`
  1. **nvda** - ([Repo](https://github.com/nvaccess/nvda), [Home](https://www.nvaccess.org/)) Non-Visual Desktop Access, a powerful screen reader for Windows. `(windows, wx)`
  1. **Plover** - ([Repo](https://github.com/openstenoproject/plover), [Home](https://www.openstenoproject.org/plover), [Fund](https://www.openstenoproject.org/donate), [Docs](https://github.com/openstenoproject/plover/wiki)) Background service for automatic translation of stenography movements to keystrokes, enabling typing speeds in excess of 200WPM in any application. `(linux, windows, mac, hardware, qt5)`
  1. **Psono** - ([Repo](https://gitlab.com/psono/psono-server), [Home](https://psono.com/), [Demo](https://www.psono.pw/), [Docs](https://doc.psono.com/)) Server-based password manager, built for teams. `(security, server)`
  1. **Ranger** - ([Repo](https://github.com/ranger/ranger), [Home](https://ranger.github.io/)) TUI ([Text User Interface](https://en.wikipedia.org/wiki/Text-based_user_interface)) file manager, inspired by vim. `(linux, tui)`
  1. **Redash** - ([Repo](https://github.com/getredash/redash), [Home](https://redash.io/)) Data visualization and dashboard construction geared toward business intelligence, used by Mozilla, SoundCloud, Sentry, and others. `(server, flask)`
  1. **ReproZip** - ([Repo](https://github.com/VIDA-NYU/reprozip), [Home](https://www.reprozip.org/), [Demo](https://examples.reprozip.org/), [Docs](https://docs.reprozip.org/)) Command-line tool which automatically builds reproducible experiments archives from console commands, designed for use in computational science. `(science, linux)`
  1. **Sunflower** - ([Repo](https://github.com/MeanEYE/Sunflower), [Home](http://sunflower-fm.org/)) Small and highly-customizable twin-panel file manager for Linux with plugin support. `(linux)`
  1. **Superset** - ([Repo](https://github.com/apache/incubator-superset), [Docs](http://superset.apache.org/)) Data exploration, visualization, and business intelligence web application. `(server)`
  1. **VisiData** - ([Repo](https://github.com/saulpw/visidata), [Home](https://visidata.org/), [Fund](https://patreon.com/saulpw), [PyPI](https://pypi.org/project/visidata), [Docs](https://visidata.org/docs)) Interactive multitool for exploring, analyzing, and converting datasets in the terminal. `(linux, mac, tui)`
  1. **Vorta** - ([Repo](https://github.com/borgbase/vorta), [Home](https://vorta.borgbase.com/)) GUI backup client built on top of [BorgBackup](https://borgbackup.readthedocs.io/). `(linux, mac)`
  1. **wttr.in** - ([Repo](https://github.com/chubin/wttr.in), [Home](http://wttr.in/)) Weather forecast service that supports various representations, suitable for the terminal or web browser. `(server, flask)`

## <a id="tag-organization" href="#tag-organization">Organization</a>

1. **Ambar** - ([Repo](https://github.com/RD17/ambar), [Home](https://ambar.cloud/), [Demo](https://app.ambar.cloud/), [Docs](https://ambar.cloud/docs/system-requirements)) Document search engine with automated crawling, OCR, tagging, and instant full-text search. `(server)`
  1. **ArchiveBox** - ([Repo](https://github.com/pirate/ArchiveBox), [Home](https://archivebox.io/), [Docs](https://github.com/pirate/ArchiveBox/wiki)) Self-hosted web archive, for creating local, browsable backups of content from the web. Imports HTML, JS, PDFs, video, subtitles, git repositories, and more, from Pocket, Pinboard, browser history, etc. `(internet, linux, windows, docker)`
  1. **archivematica** - ([Repo](https://github.com/artefactual/archivematica), [Home](https://www.archivematica.org/en), [Docs](https://www.archivematica.org/en/docs)) Digital preservation system designed to maintain standards-based, long-term access to collections of digital objects, targeted at archivists and librarians. `(internet, server)`
  1. **Baby Buddy** - ([Repo](https://github.com/cdubz/babybuddy), [Demo](http://demo.baby-buddy.net/)) Mobile-friendly web application which helps caregivers track sleep, feedings, diaper changes, and tummy time to learn about and predict baby's needs without (as much) guesswork. `(server)`
  1. **beancount** - ([Repo](https://bitbucket.org/blais/beancount), [Home](http://furius.ca/beancount), [gh](https://github.com/beancount/beancount), [PyPI](https://pypi.org/project/beancount), [Docs](https://docs.google.com/document/d/1RaondTJCS_IUPBHFNdT8oqFKJjVJDsfsn6JEjBG04eA/edit)) A double-entry bookkeeping language to define financial transaction records in plain text, then generate a variety of reports, via CLI and web interface. (See also, [Plain Text Accounting](https://plaintextaccounting.org/)). `(linux, windows, mac)`
  1. **Byro** - ([Repo](https://github.com/byro/byro), [Docs](https://byro.readthedocs.io/)) Web-based membership administration tool for small and medium sized clubs/NGOs/associations of all kinds, with a focus on the DACH region. `(server)`
  1. **Calibre** - ([Repo](https://github.com/kovidgoyal/calibre), [Home](https://calibre-ebook.com/), [WP](https://en.wikipedia.org/wiki/Calibre_%28software%29), [Fund](https://www.patreon.com/kovidgoyal)) E-book manager designed for viewing, converting, editing, and cataloging e-books in all major formats. `(linux, windows, mac, qt5)`
  1. **Calibre-Web** - ([Repo](https://github.com/janeczku/calibre-web)) Web application providing a clean interface for browsing, reading, and downloading ebooks using an existing [Calibre](https://calibre-ebook.com/) database. `(linux)`
  1. **CherryTree** - ([Repo](https://github.com/giuspen/cherrytree), [Home](https://www.giuspen.com/cherrytree)) Hierarchical wiki-like personal notepad, featuring rich text and syntax highlighting. `(linux, windows, gtk)`
  1. **Collaborate** - ([Repo](https://github.com/propublica/django-collaborative), [Docs](https://propublica.gitbook.io/collaborate-user-manual)) Web-based collaboration tool designed by [Propublica](https://www.propublica.org/nerds/making-collaborative-data-projects-easier-our-new-tool-collaborate-is-here) for newsrooms to share datasets, with a workflow built around assigning tips and maintaining contacts. `(communication, server)`
  1. **CouchPotato** - ([Repo](https://github.com/CouchPotato/CouchPotatoServer), [Home](http://couchpota.to/)) Personal video recorder focused on movies, with support for usenet and torrents. `(linux, windows, mac)`
  1. **dupeGuru** - ([Repo](https://github.com/arsenetar/dupeguru), [Home](https://dupeguru.voltaicideas.net/), [Docs](https://dupeguru.voltaicideas.net/help/en)) Cross-platform GUI tool to find duplicate files. `(linux, windows, mac)`
  1. **dvc (Data Version Control)** - ([Repo](https://github.com/iterative/dvc), [Home](https://dvc.org/), [Docs](https://dvc.org/doc)) Command-line tool for version control over data used in machine learning projects. Aims to replace Excel and other tools used to track and deploy model versions. `(scm, linux, windows, mac)`
  1. **fava** - ([Repo](https://github.com/beancount/fava), [Demo](https://fava.pythonanywhere.com/huge-example-file/income_statement), [Docs](https://beancount.github.io/fava)) Web interface for the double-entry bookkeeping software [Beancount](http://furius.ca/beancount/) with a focus on features and usability. `(linux, windows, mac)`
  1. **Gramps** - ([Repo](https://github.com/gramps-project/gramps), [Home](https://gramps-project.org/)) Genealogy software that is both intuitive for hobbyists and feature-complete for professional genealogists. `(linux, windows, mac, gtk)`
  1. **GTimeLog** - ([Repo](https://github.com/gtimelog/gtimelog), [Home](https://gtimelog.org/), [Fund](https://ko-fi.com/mgedmin), [Docs](https://gtimelog.org/docs.html)) Desktop-based time tracker with support for logging billable/non-billable work. `(productivity, linux, windows, mac)`
  1. **Headphones** - ([Repo](https://github.com/rembo10/headphones), [Docs](https://github.com/rembo10/headphones/wiki)) Web-based digital music library for automating music downloads through Usenet and torrents. `(linux, windows, mac)`
  1. **ihatemoney** - ([Repo](https://github.com/spiral-project/ihatemoney), [Home](https://ihatemoney.org/), [Docs](https://ihatemoney.readthedocs.io/)) Web application made to ease shared budget management by keeping track of who bought what, when, and for whom. `(server)`
  1. **Indico** - ([Repo](https://github.com/indico/indico), [Home](https://getindico.io/), [Demo](https://sandbox.getindico.io/), [Docs](https://docs.getindico.io/en/stable/installation)) Feature-rich web application designed at [CERN](https://en.wikipedia.org/wiki/CERN) for managing events, with support for conference organization workflow, from content management to receiving and reviewing abstracts/papers, event registration, payment integration, room booking, and more. `(communication, server)`
  1. **Invenio** - ([Repo](https://github.com/inveniosoftware/invenio), [Docs](https://invenio.readthedocs.io/)) Customizable platform for running a trusted digital repository. `(linux)`
  1. **jrnl** - ([Repo](https://github.com/maebert/jrnl), [Home](http://jrnl.sh/)) Simple, ecncrypted journal application for your command line. `(linux, windows, mac, homebrew)`
  1. **LazyLibrarian** - ([Repo](https://gitlab.com/LazyLibrarian/LazyLibrarian), [Forum](https://www.reddit.com/r/LazyLibrarian), [Docs](https://lazylibrarian.gitlab.io/)) Web-based digital library organizer with support for following authors and automatic metadata retrieval. `(linux, mac)`
  1. **Mayan** - ([Repo](https://gitlab.com/mayan-edms/mayan-edms), [Home](https://www.mayan-edms.com/), [Fund](https://www.paypal.me/MayanEDMS), [PyPI](https://pypi.org/project/mayan-edms/3.2.7), [Docs](https://docs.mayan-edms.com/)) Web-based document management system, designed to store, introspect, and categorize files, with OCR, preview, label, signing, and sending capabilities. Also featuring workflow system, role-based access control, and REST API. `(server)`
  1. **MLflow** - ([Repo](https://github.com/mlflow/mlflow), [Home](https://mlflow.org/), [Docs](https://mlflow.org/docs/latest/index.html)) Integrated command-line application and web service, supporting an end-to-end machine-learning workflow around tracking, packaging, and deploying. Developed by [Databricks](https://docs.databricks.com/applications/mlflow/index.html). `(dev, linux, mac, corp)`
  1. **OpenLibrary** - ([Repo](https://github.com/internetarchive/openlibrary), [Home](https://openlibrary.org/), [WP](https://en.wikipedia.org/wiki/Open_Library)) Web application for an open, editable library catalog, used by [The Internet Archive](https://archive.org/) towards building a web page for every book ever published. `(linux, windows, mac, docker)`
  1. **Paperless** - ([Repo](https://github.com/the-paperless-project/paperless), [Docs](https://paperless.readthedocs.io/en/latest)) Scan, index, and archive all of your paper documents. Supports OCR, tags, search, encryption and more. `(server)`
  1. **Paperwork** - ([Repo](https://gitlab.gnome.org/World/OpenPaperwork/paperwork), [Home](https://openpaper.work/), [Fund](https://www.patreon.com/openpaper), [Docs](https://gitlab.gnome.org/World/OpenPaperwork/paperwork/wikis/home)) Personal document manager for organizing scanned documents and PDFs, with support for OCR, automatic tagging, and search. `(linux, windows, gtk)`
  1. **Pinry** - ([Repo](https://github.com/pinry/pinry), [Home](https://getpinry.com/)) Tiling image board system for saving, tagging, and sharing images, videos, and websites, like a self-hosted Pinterest. `(server)`
  1. **Pretalx** - ([Repo](https://github.com/pretalx/pretalx), [Home](https://pretalx.com/p/about), [Fund](https://www.patreon.com/rixx)) Web-based conference planning tool, with support for Calls for Papers (CFP), scheduling, and speaker management. `(communication, server)`
  1. **PyMedusa** - ([Repo](https://github.com/pymedusa/Medusa), [Home](https://pymedusa.com/)) Video library manager for TV shows, with automatic download support. `(linux, windows)`
  1. **Radicale** - ([Repo](https://github.com/Kozea/Radicale), [Home](https://radicale.org/)) Simple CalDAV (calendar) and CardDAV (contact) server. `(server)`
  1. **RedNotebook** - ([Repo](https://github.com/jendrikseipp/rednotebook), [Home](https://rednotebook.sourceforge.io/downloads.html)) Desktop journal designed for rich text, media, and template-based entries, which can be tagged and searched, as well as exported to plain text, HTML, Latex, or PDF. `(linux, windows, mac)`
  1. **Scholia** - ([Repo](https://github.com/fnielsen/scholia), [Home](https://tools.wmflabs.org/scholia), [Docs](https://www.wikidata.org/wiki/Wikidata%3AScholia)) Python package and web application for interacting with scholarly information on [Wikidata](https://www.wikidata.org/). `(science, server)`
  1. **Senaite** - ([Repo](https://github.com/senaite/senaite.lims), [Home](https://www.senaite.com/)) Web-based, mobile-first laboratory information management system (LIMS). `(server)`
  1. **SiCKRAGE** - ([Repo](https://git.sickrage.ca/SiCKRAGE/sickrage), [gh](https://github.com/SiCKRAGE/SiCKRAGE), [Docs](https://git.sickrage.ca/SiCKRAGE/sickrage/wikis/FAQ%27s-and-Fixes)) Video library manager with support for automatic TV show archival. `(linux, windows)`
  1. **Taiga** - ([Repo](https://github.com/taigaio/taiga-back), [Home](https://taiga.io/), [Docs](http://taigaio.github.io/taiga-doc/dist)) Web application built for managing projects with agile development processes. `(dev, server, django)`
  1. **Wikid Pad** - ([Repo](https://github.com/WikidPad/WikidPad), [Home](http://wikidpad.sourceforge.net/)) Desktop wiki notebook for storing your thoughts and ideas. `(linux, windows, mac, wx)`
  1. **Xandikos** - ([Repo](https://github.com/jelmer/xandikos), [Home](https://www.xandikos.org/)) Lightweight but relatively complete CardDAV/CalDAV server which backs up changes in a Git repository. `(server)`
  1. **Zim Wiki** - ([Repo](https://github.com/jaap-karssenberg/zim-desktop-wiki), [Home](http://zim-wiki.org/)) Desktop wiki designed for note-taking, list-making, and drafting. `(linux, windows, gtk)`

## <a id="tag-communication" href="#tag-communication">Communication</a>

1. **Abilian SBE** - ([Repo](https://github.com/abilian/abilian-sbe), [Home](https://www.abilian.com/)) A "Social Business Engine" with features including lightweight document management, discussions, wikis, timelines, and more. `(cms, server)`
  1. **Askbot** - ([Repo](https://github.com/ASKBOT/askbot-devel), [Home](https://askbot.com/)) Q&A web platform similar to StackOverflow, complete with tagging, reputation, badges, and more. `(server, corp)`
  1. **Bitmessage** - ([Repo](https://github.com/Bitmessage/PyBitmessage), [Docs](https://bitmessage.org/wiki/Main_Page)) Reference client for Bitmessage, a peer-to-peer encrypted decentralised communication protocol. `(linux, windows, mac, kivy, qt4, tui)`
  1. **Collaborate** - ([Repo](https://github.com/propublica/django-collaborative), [Docs](https://propublica.gitbook.io/collaborate-user-manual)) Web-based collaboration tool designed by [Propublica](https://www.propublica.org/nerds/making-collaborative-data-projects-easier-our-new-tool-collaborate-is-here) for newsrooms to share datasets, with a workflow built around assigning tips and maintaining contacts. `(organization, server)`
  1. **dak** - ([Repo](https://salsa.debian.org/ftp-team/dak)) Collection of programs used to maintain the Debian project's email archives. `(linux)`
  1. **Django Wiki** - ([Repo](https://github.com/django-wiki/django-wiki), [Demo](https://demo.django-wiki.org/), [Docs](https://django-wiki.readthedocs.io/en/latest)) A simple and mature web-based wiki. `(server)`
  1. **Docassemble** - ([Repo](https://github.com/jhpyle/docassemble), [Home](https://docassemble.org/), [Docs](https://docassemble.org/docs.html)) Platform for creating mobile-friendly web-based interviews, collecting responses, and much more. `(server)`
  1. **Formspree** - ([Repo](https://github.com/formspree/formspree), [Home](https://formspree.io/)) Web server which turns an HTML form submission into an email, without registration, JavaScript, or custom Python. `(server, corp)`
  1. **Gajim** - ([Repo](https://dev.gajim.org/gajim/gajim), [WP](https://en.wikipedia.org/wiki/Gajim)) Lightweight, cross-platform instant messaging client for the XMPP protocol. `(linux, windows, mac, gtk)`
  1. **GlobaLeaks** - ([Repo](https://github.com/globaleaks/GlobaLeaks), [Home](https://www.globaleaks.org/)) Web application to enable secure and anonymous whistleblowing initiatives. `(server)`
  1. **Hangups** - ([Repo](https://github.com/tdryer/hangups), [Snap](https://snapcraft.io/hangups), [Docs](https://hangups.readthedocs.io/en/latest)) Third-party instant messenger for [Google Hangouts](https://en.wikipedia.org/wiki/Google_Hangouts), with support for group messaging and other proprietary features. `(linux, mac, docker, snap)`
  1. **Hawkpost** - ([Repo](https://github.com/whitesmith/hawkpost), [Home](https://hawkpost.co/)) Web application which enables receiving encrypted messages from less technical senders. `(server)`
  1. **Helios Voting** - ([Repo](https://github.com/benadida/helios-server), [Home](http://heliosvoting.org/)) End-to-end verifiable voting system. `(server)`
  1. **Inboxen** - ([Repo](https://github.com/Inboxen/Inboxen), [Home](https://inboxen.org/), [Docs](https://inboxen.readthedocs.io/en/latest)) Web application which provides an infinite number of unique email inboxes, for segmenting services and maintaining privacy. `(server)`
  1. **Indico** - ([Repo](https://github.com/indico/indico), [Home](https://getindico.io/), [Demo](https://sandbox.getindico.io/), [Docs](https://docs.getindico.io/en/stable/installation)) Feature-rich web application designed at [CERN](https://en.wikipedia.org/wiki/CERN) for managing events, with support for conference organization workflow, from content management to receiving and reviewing abstracts/papers, event registration, payment integration, room booking, and more. `(organization, server)`
  1. **Magic Wormhole** - ([Repo](https://github.com/warner/magic-wormhole), [PyPI](https://pypi.org/project/magic-wormhole), [Docs](https://magic-wormhole.readthedocs.io/en/latest)) Security- and speed-focused file transfer tool with support for files, text, and directories. `(linux, mac, console)`
  1. **Mailman** - ([Repo](https://gitlab.com/mailman/mailman), [Home](http://www.list.org/), [WP](https://en.wikipedia.org/wiki/GNU_Mailman)) The original listserv, a web application and email server for managing subscriptions and discussion archives. `(server)`
  1. **Mailpile** - ([Repo](https://github.com/mailpile/Mailpile), [Home](https://mailpile.is/)) Fast email client with user-friendly encryption and privacy features. `(linux, windows, mac)`
  1. **Mailu** - ([Repo](https://github.com/Mailu/Mailu), [Home](https://mailu.io/)) Full-featured mail server designed for easy setup and maintenance, supporting IMAP, IMAP+, SMTP, and Submission, as well as a slew of advanced features. `(server)`
  1. **Modoboa** - ([Repo](https://github.com/modoboa/modoboa), [Home](https://modoboa.org/en)) Mail hosting and management platform including web UI based on Django. Provides useful components such as an admin panel and webmail. Integrates with Postfix or Dovecot. `(server)`
  1. **MoinMoin** - ([Repo](https://github.com/moinwiki/moin), [Home](http://moinmo.in/), [WP](https://en.wikipedia.org/wiki/MoinMoin), [Docs](https://moin-20.readthedocs.io/en/latest)) Python's own web-based wiki software, used for [the official Python wiki](https://wiki.python.org/moin/) and many others. `(server)`
  1. **OfflineIMAP** - ([Repo](https://github.com/OfflineIMAP/offlineimap), [Home](http://www.offlineimap.org/), [WP](https://en.wikipedia.org/wiki/OfflineIMAP)) IMAP reader and synchronizer. `(linux)`
  1. **OnionShare** - ([Repo](https://github.com/micahflee/onionshare), [Home](https://onionshare.org/), [Docs](https://github.com/micahflee/onionshare/wiki)) Secure and anonymous file sharing over [Tor](https://en.wikipedia.org/wiki/Tor_(anonymity_network)) services. `(linux, windows, mac, qt5)`
  1. **Pootle** - ([Repo](https://github.com/translate/pootle), [Home](http://pootle.translatehouse.org/), [WP](https://en.wikipedia.org/wiki/Pootle)) Web application for collaborative translation. `(server)`
  1. **Pretalx** - ([Repo](https://github.com/pretalx/pretalx), [Home](https://pretalx.com/p/about), [Fund](https://www.patreon.com/rixx)) Web-based conference planning tool, with support for Calls for Papers (CFP), scheduling, and speaker management. `(organization, server)`
  1. **pycsw** - ([Repo](https://github.com/geopython/pycsw), [WP](https://en.wikipedia.org/wiki/Pycsw)) Full implementation of the OpenGIS Catalogue Service Implementation Specification. `(server)`
  1. **RapidSMS** - ([Repo](https://github.com/rapidsms/rapidsms), [Home](http://rapidsms.org/), [Docs](https://rapidsms.readthedocs.io/en/develop)) Interactive SMS text messaging platform. `(server)`
  1. **SecureDrop** - ([Repo](https://github.com/freedomofpress/securedrop), [Home](https://securedrop.org/), [Docs](https://docs.securedrop.org/)) Whistleblower submission system for media organizations to securely accept documents from anonymous sources. Originally created by [Aaron Swartz](https://en.wikipedia.org/wiki/Aaron_Swartz) and currently managed by the [Freedom of the Press Foundation](https://en.wikipedia.org/wiki/Freedom_of_the_Press_Foundation). `(server, flask)`
  1. **Socialhome** - ([Repo](https://git.feneas.org/socialhome/socialhome), [Home](https://socialhome.network/), [gh](https://github.com/jaywink/socialhome), [Docs](https://socialhome.readthedocs.io/en/latest)) Web application enabling users to build a federated personal profile with social networking functionality. `(server)`
  1. **Synapse** - ([Repo](https://github.com/matrix-org/synapse), [Home](https://riot.im/app#/home), [Fund](https://www.patreon.com/matrixdotorg/overview)) Reference server for the [matrix.org](https://matrix.org) distributed chat protocol. Used daily by tens of thousands at [riot.im](https://riot.im/app/). `(server)`
  1. **Virtaal** - ([Repo](https://github.com/translate/virtaal), [Home](http://virtaal.translatehouse.org/)) Cross-platform GUI for performing translation, with support for a variety of formats. `(linux, windows, mac, gtk)`
  1. **Weblate** - ([Repo](https://github.com/WeblateOrg/weblate), [Home](https://weblate.org/), [PyPI](https://pypi.org/project/Weblate)) Web based localization tool with tight version control integration. `(server)`
  1. **Zulip** - ([Repo](https://github.com/zulip/zulip), [Home](https://zulip.org/), [WP](https://en.wikipedia.org/wiki/Zulip), [Docs](https://zulip.readthedocs.io/en/latest)) Powerful chat server and web client with support for threaded conversations. `(server)`

## <a id="tag-education" href="#tag-education">Education</a>

1. **Anki** - ([Repo](https://github.com/dae/anki), [Home](https://apps.ankiweb.net/), [Docs](https://apps.ankiweb.net/docs/manual.html)) Powerful desktop application for flash cards and memorization. `(linux, windows, mac, qt5)`
  1. **DrawBot** - ([Repo](https://github.com/typemytype/drawbot), [Home](http://www.drawbot.com/), [WP](https://en.wikipedia.org/wiki/DrawBot)) A powerful programmatic 2D drawing application for MacOS X which generates graphics from Python scripts. `(graphics, dev, mac)`
  1. **Kolibri** - ([Repo](https://github.com/learningequality/kolibri), [Home](https://learningequality.org/kolibri), [Demo](https://kolibridemo.learningequality.org/), [PyPI](https://pypi.org/project/kolibri), [Docs](https://kolibri.readthedocs.io/en/latest)) Self-hostable learning web application targeted at making high quality education technology available in low-resource communities (e.g., rural schools, refugee camps, orphanages, non-formal school systems, and prison systems). `(server)`
  1. **Mnemosyne** - ([Repo](https://github.com/mnemosyne-proj/mnemosyne), [Home](https://mnemosyne-proj.org/)) Spaced-repetition flashcard program for efficient memorization. `(linux, windows, mac, qt5)`
  1. **NBGrader** - ([Repo](https://github.com/jupyter/nbgrader), [Docs](https://nbgrader.readthedocs.io/en/stable)) Jupyter-based application which enables educators to create, assign, and grade assignments in notebook form. `(server)`
  1. **Open edX Platform** - ([Repo](https://github.com/edx/edx-platform), [Home](http://open.edx.org/), [WP](https://en.wikipedia.org/wiki/EdX#Open_edX)) Platform for online education providers, powering [edX](https://en.wikipedia.org/wiki/EdX). `(server)`
  1. **RELATE** - ([Repo](https://github.com/inducer/relate), [Docs](https://documen.tician.de/relate)) Web-based courseware with support for course planning and versioning, scheduling, testing, and grading. `(server)`
  1. **Tutor** - ([Repo](https://github.com/overhangio/tutor), [Docs](https://docs.tutor.overhang.io/)) Docker-based Open edX distribution, both for production and local development, with a goal of easing deployment, customization, upgrading, and scaling. `(server)`

## <a id="tag-science" href="#tag-science">Science</a>

1. **AnuGA** - ([Repo](https://github.com/GeoscienceAustralia/anuga_core)) Advanced simulation of the shallow water equation, for modeling tsunamis, dam breaks, and floods. `(linux, windows)`
  1. **Artisan** - ([Repo](https://github.com/artisan-roaster-scope/artisan), [Home](https://artisan-scope.org/), [Docs](https://artisan-scope.org/docs/quick-start-guide)) Desktop visual scope for coffee roasters, which helps coffee roasters record, analyze, and control roast profiles. `(linux, windows, mac)`
  1. **ASCEND** - ([Repo](http://code.ascend4.org/ascend/trunk), [Home](http://ascend4.org/Main_Page), [WP](https://en.wikipedia.org/wiki/ASCEND)) Mathematical chemical process modelling system developed at Carnegie Mellon University since late 1978. `(linux, windows, mac, gtk)`
  1. **CellProfiler** - ([Repo](https://github.com/CellProfiler/CellProfiler), [Home](http://cellprofiler.org/), [Manual](https://cellprofiler.org/cpa), [Docs](https://github.com/CellProfiler/CellProfiler/wiki)) Interactive data exploration, analysis, and classification of biological image sets. `(linux, windows, mac)`
  1. **cellxgene** - ([Repo](https://github.com/chanzuckerberg/cellxgene), [Home](https://chanzuckerberg.github.io/cellxgene)) Web-based interactive explorer for single-cell transcriptomics data. `(linux, windows, mac, fnd)`
  1. **CKAN** - ([Repo](https://github.com/ckan/ckan), [Home](https://ckan.org/)) Data management system (DMS) which makes it easy to publish, share, and use data. Data hubs powered by CKAN include [datahub.io](https://datahub.io), [catalog.data.gov](https://catalog.data.gov), and [europeandataportal.eu](https://europeandataportal.eu/data/en/dataset), among many other sites. `(server, flask)`
  1. **CoCalc** - ([Repo](https://github.com/sagemathinc/cocalc), [Home](https://cocalc.com/), [WP](https://en.wikipedia.org/wiki/CoCalc)) Collaborative calculation in the cloud, with support for the scientific Python stack, SageMath, R, LaTeX, Markdown, and more. Also features chat, course management, and other supporting functionality. `(server)`
  1. **Dissem.in** - ([Repo](https://github.com/dissemin/dissemin), [Home](https://dissem.in/), [Docs](https://dev.dissem.in/)) Web platform to help researchers upload their papers to open-access repositories. `(server, django)`
  1. **InVesalius** - ([Repo](https://github.com/invesalius/invesalius3), [Home](https://invesalius.github.io/), [WP](https://en.wikipedia.org/wiki/InVesalius)) Generates virtual reconstructions of structures in the human body for medical purposes, including CT and MRI scans. `(linux, windows, mac, gtk)`
  1. **Manim** - ([Repo](https://github.com/3b1b/manim), [Docs](https://manim.readthedocs.io/)) Animation engine for explanatory math videos, primarily designed for [works by 3blue1brown](https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw). `(linux)`
  1. **Mayavi** - ([Repo](https://github.com/enthought/mayavi), [Home](http://docs.enthought.com/mayavi/mayavi)) General purpose, cross-platform tool for 2-D and 3-D scientific data visualization. `(linux, windows, mac, qt4)`
  1. **Mosaic** - ([Repo](https://github.com/usnistgov/mosaic), [Home](https://pages.nist.gov/mosaic), [Docs](https://pages.nist.gov/mosaic/html/index.html)) Desktop-based single molecule analysis toolbox that automatically decodes multi-state nanopore data. `(linux, windows, mac, gov)`
  1. **odemis** - ([Repo](https://github.com/delmic/odemis), [Home](https://www.delmic.com/microscopy-software-odemis)) Desktop imaging workflow software for Delmic microscopes, supporting autofocus, coordinate history, and OME-TIFF and HDF5 export. `(linux)`
  1. **OPEM** - ([Repo](https://github.com/ECSIM/opem), [Docs](https://www.ecsim.ir/opem/doc)) A modeling tool for evaluating the performance of [proton exchange membrane (PEM) fuel cells](https://en.wikipedia.org/wiki/Proton-exchange_membrane_fuel_cell). `(linux, windows, mac)`
  1. **Orange** - ([Repo](https://github.com/biolab/orange3), [Home](https://orange.biolab.si/), [WP](https://en.wikipedia.org/wiki/Orange_%28software%29)) Component-based data mining software for graphical interactive data analysis and visualization. `(linux, windows, mac, qt4, qt5)`
  1. **Pybliographer** - ([Repo](https://github.com/GNOME/pybliographer), [Home](https://pybliographer.org/)) Bibliographic database manager with a user-friendly desktop UI. `(linux, gtk)`
  1. **ReproZip** - ([Repo](https://github.com/VIDA-NYU/reprozip), [Home](https://www.reprozip.org/), [Demo](https://examples.reprozip.org/), [Docs](https://docs.reprozip.org/)) Command-line tool which automatically builds reproducible experiments archives from console commands, designed for use in computational science. `(productivity, linux)`
  1. **Sage Math** - ([Repo](https://git.sagemath.org/sage.git), [Home](http://www.sagemath.org/), [WP](https://en.wikipedia.org/wiki/SageMath)) Cross-platform computer algebra system with features covering many aspects of mathematics, including algebra, combinatorics, graph theory, numerical analysis, number theory, calculus, and statistics. `(linux, windows, mac)`
  1. **Scholia** - ([Repo](https://github.com/fnielsen/scholia), [Home](https://tools.wmflabs.org/scholia), [Docs](https://www.wikidata.org/wiki/Wikidata%3AScholia)) Python package and web application for interacting with scholarly information on [Wikidata](https://www.wikidata.org/). `(organization, server)`
  1. **SOFA Statistics** - ([Repo](https://code.launchpad.net/sofastatistics), [Home](http://www.sofastatistics.com/)) User-friendly statistics and analysis with a learn-as-you-go approach. `(linux, windows, mac, wx)`
  1. **Taguette** - ([Repo](https://gitlab.com/remram44/taguette), [Home](https://www.taguette.org/), [gh](https://github.com/remram44/taguette), [PyPI](https://pypi.org/project/taguette), [Docs](https://www.taguette.org/getting-started.html)) Web-based qualitative research tool supporting importing, tagging, highlighting, and exporting many document formats. `(server)`
  1. **Veusz** - ([Repo](https://github.com/veusz/veusz), [Home](https://veusz.github.io/)) 2D and 3D scientific plotting, designed to produce publication-ready PDF or SVG graphs. `(linux, windows, mac, qt)`

## <a id="tag-cms" href="#tag-cms">CMS</a>

## <a id="tag-erp" href="#tag-erp">ERP</a>

1. **ERP5** - ([Repo](https://lab.nexedi.com/nexedi/erp5), [Home](https://erp5.nexedi.com/), [WP](https://en.wikipedia.org/wiki/ERP5)) Web-based ERP, CRM, DMS, and Big Data system with hundreds of built-in modules, designed for corporate scalability. `(server)`
  1. **ERPNext** - ([Repo](https://github.com/frappe/erpnext), [Home](https://erpnext.com/), [WP](https://en.wikipedia.org/wiki/ERPNext)) Web-based ERP system with accounting, inventory, CRM, sales, procurement, project management, and HR. Built on [Frappe](https://github.com/frappe/frappe) and MariaDB. `(server)`
  1. **Frepple** - ([Repo](https://github.com/frePPLe/frepple), [Home](https://frepple.com/), [Docs](https://frepple.org/docs/current)) Web-based supply chain planning for production planning and scheduling. `(linux, windows, server)`
  1. **Odoo** - ([Repo](https://github.com/odoo/odoo), [Home](https://www.odoo.com/), [WP](https://en.wikipedia.org/wiki/Odoo)) Web-based ERP and CRM with many built-in modules, plus thousands of apps to suit any business. `(server)`
  1. **Tryton** - ([Repo](https://hg.tryton.org/trytond), [Home](https://www.tryton.org/), [WP](https://en.wikipedia.org/wiki/Tryton), [Docs](https://docs.tryton.org/en/latest)) Modular web-based ERP, designed for companies of all sizes. `(server, fdn)`

## <a id="tag-static_site" href="#tag-static_site">Static Site</a>

1. **Cactus** - ([Repo](https://github.com/eudicots/Cactus), [PyPI](https://pypi.org/project/cactus)) Static website generator using Django templates. `(linux, windows, mac)`
  1. **Chert** - ([Repo](https://github.com/mahmoud/chert), [PyPI](https://pypi.org/project/chert)) Static site generator with built-in support for listicles, created by this humble author, used to power [calver.org](https://calver.org), [0ver.org](https://0ver.org), and [sedimental.org](https://sedimental.org/), the author's blog. Mostly here as an easter egg :) `(linux, windows, mac)`
  1. **Grow** - ([Repo](https://github.com/grow/grow), [Home](https://grow.io/), [PyPI](https://pypi.org/project/grow)) Static site generator optimized for building interactive, localized microsites, with a focus on workflow and maintainability. `(linux, windows, mac)`
  1. **Hyde** - ([Repo](https://github.com/hyde/hyde), [Home](http://hyde.github.io/), [PyPI](https://pypi.org/project/hyde)) Static site generator which began as the Python counterpart to [Jekyll](https://github.com/jekyll/jekyll). `(linux, windows, mac)`
  1. **Lektor** - ([Repo](https://github.com/lektor/lektor), [Home](https://www.getlektor.com/)) Static site generator with built-in admin console and minimal desktop application. `(linux, windows, mac)`
  1. **Nikola** - ([Repo](https://github.com/getnikola/nikola), [Home](https://www.getnikola.com/), [PyPI](https://pypi.org/project/nikola)) Command-line static site generator with incremental rebuilds and support for Markdown, reST, Jupyter notebooks, and HTML. `(linux, windows, mac)`
  1. **Pelican** - ([Repo](https://github.com/getpelican/pelican), [Home](https://blog.getpelican.com/), [PyPI](https://pypi.org/project/pelican)) Command-line static site generator that supports Markdown and reST syntax. `(linux, windows, mac)`
  1. **Prosopopee** - ([Repo](https://github.com/Psycojoker/prosopopee), [Demo](https://surleschemins.fr/), [PyPI](https://pypi.org/project/prosopopee), [Docs](https://prosopopee.readthedocs.io/)) A static site generator designed for photographers and others who tell stories with pictures. `(linux, windows, mac)`
  1. **PyVideo** - ([Repo](https://github.com/pyvideo/pyvideo), [Home](https://pyvideo.org/)) Static media index custom-built for the Python community, and all the content our meetings and conferences produce. `(video, linux, server)`

## <a id="tag-dev" href="#tag-dev">Dev</a>

Projects related to software development and adjacent technical areas.

### <a id="tag-dev.scm" href="#tag-dev.scm">SCM</a>

1. **Allura** - ([Repo](https://github.com/apache/allura), [Home](https://allura.apache.org/), [WP](https://en.wikipedia.org/wiki/Apache_Allura)) Software [forge](https://en.wikipedia.org/wiki/Forge_(software)), with support for git, hg, and svn. `(server)`
  1. **dvc (Data Version Control)** - ([Repo](https://github.com/iterative/dvc), [Home](https://dvc.org/), [Docs](https://dvc.org/doc)) Command-line tool for version control over data used in machine learning projects. Aims to replace Excel and other tools used to track and deploy model versions. `(organization, linux, windows, mac)`
  1. **Git Cola** - ([Repo](https://github.com/git-cola/git-cola), [Home](https://git-cola.github.io/)) Featureful cross-platform GUI wrapper for `git`. `(linux, windows, mac, qt4, qt5)`
  1. **Gitless** - ([Repo](https://github.com/sdg-mit/gitless), [Home](https://gitless.com/), [PyPI](https://pypi.org/project/gitless), [Docs](https://gitless.com/#documentation)) Simple version control system built on top of Git. `(linux, windows, mac)`
  1. **GNU Bazaar** - ([Repo](https://code.launchpad.net/bzr), [Home](http://bazaar.canonical.com/en), [WP](https://en.wikipedia.org/wiki/GNU_Bazaar), [Docs](http://doc.bazaar.canonical.com/en)) Distributed and client-server revision control system. `(linux, windows, mac)`
  1. **Kallithea** - ([Repo](https://kallithea-scm.org/repos/kallithea), [WP](https://en.wikipedia.org/wiki/Kallithea_%28software%29)) Software [forge](https://en.wikipedia.org/wiki/Forge_(software)) for Mercurial and Git with a built-in push/pull server, full text search, and code-review. Forked from RhodeCode in 2014. `(server)`
  1. **Klaus** - ([Repo](https://github.com/jonashaag/klaus), [Demo](http://klausdemo.lophus.org/), [PyPI](https://pypi.org/project/klaus), [Docs](https://github.com/jonashaag/klaus/wiki)) pip-installable web-based viewer for git repositories that "just works". `(server)`
  1. **Launchpad** - ([Repo](https://launchpad.net/launchpad), [Home](https://launchpad.net/), [WP](https://en.wikipedia.org/wiki/Launchpad_%28website%29), [Docs](https://dev.launchpad.net/)) Software forge designed and run by Canonical, with support for Git and [Bazaar](https://en.wikipedia.org/wiki/GNU_Bazaar). `(server)`
  1. **Mercurial** - ([Repo](https://www.mercurial-scm.org/repo/hg-stable), [Home](https://www.mercurial-scm.org/), [WP](https://en.wikipedia.org/wiki/Mercurial)) Cross-platform distributed revision-control system designed for high performance and advanced branching/merging capabilities. `(linux, windows, mac)`
  1. **Pagure** - ([Repo](https://pagure.io/pagure), [Home](https://pagure.io/)) Software [forge](https://en.wikipedia.org/wiki/Forge_(software)) focused on git and developed by the Fedora engineering team. `(server)`
  1. **Patchwork** - ([Repo](https://github.com/getpatchwork/patchwork), [Home](http://jk.ozlabs.org/projects/patchwork), [Docs](https://patchwork.readthedocs.io/en/latest)) Web-based patch tracking system designed to facilitate code contribution to an open-source project. Designed and used for Linux kernel subsystem development. `(server)`
  1. **RabbitVCS** - ([Repo](https://github.com/rabbitvcs/rabbitvcs), [Home](http://rabbitvcs.org/), [Docs](http://wiki.rabbitvcs.org/wiki)) Tools providing straightforward graphical access to Subversion or Git within a variety of clients, including as Nautilus, Thunar, Nemo, Caja, and the command line. `(linux)`
  1. **RhodeCode** - ([Repo](https://code.rhodecode.com/rhodecode-enterprise-ce), [Home](https://rhodecode.com/), [WP](https://en.wikipedia.org/wiki/RhodeCode)) Self-hosted platform for behind-the-firewall source code management, providing centralized control over Git, Mercurial, and Subversion. `(server, corp)`
  1. **Roundup** - ([Repo](http://hg.code.sf.net/p/roundup/code), [WP](https://en.wikipedia.org/wiki/Roundup_%28issue_tracker%29)) Highly-customizable issue tracking system featuring command-line, web, and email interfaces, used by the official Python bug tracker at [bugs.python.org](https://bugs.python.org). `(server)`
  1. **TortoiseHg** - ([Repo](https://bitbucket.org/tortoisehg/thg/src), [Home](https://tortoisehg.bitbucket.io/), [Docs](https://bitbucket.org/tortoisehg/thg/wiki/developers/Home)) Windows shell extension and a series of applications for the Mercurial distributed revision control system. Also includes GNOME and CLI support. `(linux, windows, qt4, qt5)`
  1. **Trac** - ([Repo](https://github.com/edgewall/trac), [Home](https://trac.edgewall.org/), [WP](https://en.wikipedia.org/wiki/Trac), [Docs](https://trac.edgewall.org/wiki/TracGuide)) Enhanced web-based wiki and issue tracking system for software development projects. `(server)`
  1. **ViewVC** - ([Repo](https://github.com/viewvc/viewvc), [Home](http://viewvc.org/)) Browser interface for CVS and Subversion version control repositories. `(server)`

### <a id="tag-dev.code_review" href="#tag-dev.code_review">Code Review</a>

1. **Diffoscope** - ([Repo](https://salsa.debian.org/reproducible-builds/diffoscope), [Home](https://diffoscope.org/), [Demo](https://try.diffoscope.org/), [PyPI](https://pypi.org/project/diffoscope)) Web-based deep comparison of files, archives, and directories, including support for diffing tarballs, ISO images, and PDFs. `(server)`
  1. **Meld** - ([Repo](https://github.com/GNOME/meld), [Home](http://meldmerge.org/)) Visual diff and merge tool targeted at developers, providing two- and three-way comparison of both files and directories, and supports many version control systems including Git, Mercurial, Bazaar, and Subversion. `(linux, windows, mac, gtk)`
  1. **Review Board** - ([Repo](https://github.com/reviewboard/reviewboard), [Home](https://www.reviewboard.org/)) Extensible code review tool for projects and companies of all sizes. `(server)`
  1. **Rietveld** - ([Repo](https://github.com/rietveld-codereview/rietveld), [Home](https://codereview.appspot.com/), [WP](https://en.wikipedia.org/wiki/Rietveld_%28software%29)) Django-based collaborative code review tool for Subversion written by [Guido van Rossum](https://en.wikipedia.org/wiki/Guido_van_Rossum) to run on [Google AppEngine](https://en.wikipedia.org/wiki/Google_App_Engine). The basis for [Gerrit](https://en.wikipedia.org/wiki/Gerrit_(software)). `(server)`

### <a id="tag-dev.storage" href="#tag-dev.storage">Storage</a>

1. **B2** - ([Repo](https://github.com/Backblaze/B2_Command_Line_Tool), [PyPI](https://pypi.python.org/pypi/b2)) Command-line tool that gives easy access to all of the capabilities of Backblaze's [B2 Cloud Storage](https://www.backblaze.com/b2/cloud-storage.html). `(linux, windows, mac, corp)`
  1. **Barman** - ([Repo](https://github.com/2ndquadrant-it/barman)) Remote backup and disaster recovery for PostgreSQL. `(linux)`
  1. **Datasette** - ([Repo](https://github.com/simonw/datasette), [PyPI](https://pypi.org/project/datasette), [Docs](https://datasette.readthedocs.io/en/latest)) A tool for exploring and publishing data, backed by SQLite. `(server)`
  1. **EdgeDB** - ([Repo](https://github.com/edgedb/edgedb), [Home](https://edgedb.com/), [Docs](https://edgedb.com/docs)) High-performance object-relational database built on top of PostgreSQL, featuring strict, strong typing, built-in migrations, and GraphQL support. `(server)`
  1. **FreeNAS** - ([Repo](https://github.com/freenas/freenas), [Home](https://www.freenas.org/), [Docs](https://www.ixsystems.com/documentation/freenas)) Operating system designed to be installed virtually any hardware platform, for sharing [ZFS](https://en.wikipedia.org/wiki/ZFS)-based storage over a network, using SMB, NFS, AFP, FTP, and more. `(server)`
  1. **Gridsync** - ([Repo](https://github.com/gridsync/gridsync)) Cross-platform GUI built to synchronize local directories with Tahoe-LAFS storage grids. `(productivity, linux, windows, mac)`
  1. **kinto** - ([Repo](https://github.com/Kinto/kinto), [Home](https://www.kinto-storage.org/), [Docs](http://docs.kinto-storage.org/)) A generic JSON document store with sharing and synchronisation capabilities, supporting in-memory and PostgreSQL backends. `(server)`
  1. **mycli** - ([Repo](https://github.com/dbcli/mycli), [Home](https://www.mycli.net/), [PyPI](https://pypi.python.org/pypi/mycli)) Interactive MySQL client that does auto-completion and syntax highlighting. `(linux, mac)`
  1. **Nuxeo Drive** - ([Repo](https://github.com/nuxeo/nuxeo-drive), [Home](https://www.nuxeo.com/products/drive-desktop-sync), [Docs](https://doc.nuxeo.com/client-apps/nuxeo-drive)) Cross-platform desktop synchronization client for the Nuxeo platform. `(productivity, linux, windows, mac, console, appimage, lgpl, qt5)`
  1. **pgcli** - ([Repo](https://github.com/dbcli/pgcli), [Home](https://www.pgcli.com/), [PyPI](https://pypi.python.org/pypi/pgcli)) Interactive PostgreSQL client that does auto-completion and syntax highlighting. `(linux, mac)`
  1. **s3ql** - ([Repo](https://github.com/s3ql/s3ql), [Docs](http://www.rath.org/s3ql-docs/index.html)) A standards-conforming, full-featured UNIX filesystem for cloud-based storage services (S3, Google Storage, OpenStack), supporting compression, encryption, deduplication, snapshotting, and more. `(linux)`
  1. **Seafile** - ([Repo](https://github.com/haiwen/seahub), [WP](https://en.wikipedia.org/wiki/Seafile)) Cross-platform file hosting and synchronization system. `(server)`
  1. **sqlmap** - ([Repo](https://github.com/sqlmapproject/sqlmap), [Home](http://sqlmap.org/), [Docs](https://github.com/sqlmapproject/sqlmap/wiki)) Automatic SQL injection and database takeover. `(security, console)`
  1. **TahoeLAFS** - ([Repo](https://github.com/tahoe-lafs/tahoe-lafs), [Home](https://tahoe-lafs.org/trac/tahoe-lafs), [WP](https://en.wikipedia.org/wiki/Tahoe-LAFS)) Decentralized cloud storage system for robust distributed data storage. `(linux, windows, mac)`
  1. **WAL-E** - ([Repo](https://github.com/wal-e/wal-e)) Continuous archiving of PostgreSQL WAL files and base backups. `(linux)`
  1. **ZEO** - ([Repo](https://github.com/zopefoundation/ZEO), [PyPI](https://pypi.org/project/ZEO), [Docs](https://zope.readthedocs.io/en/latest/zopebook/ZEO.html)) Server and client providing [ZODB](http://www.zodb.org/)-based storage over the network. `(linux, server)`
  1. **ZFSp** - ([Repo](https://github.com/alcarithemad/zfsp)) A reverse-engineered [ZFS](https://en.wikipedia.org/wiki/ZFS) implementation, written in Python, without reading the original C. `(linux)`

### <a id="tag-dev.ops" href="#tag-dev.ops">Ops</a>

1. **Airflow** - ([Repo](https://github.com/apache/airflow), [Docs](https://airflow.apache.org/)) A platform to programmatically author, schedule and monitor workflows. `(linux, server, corp, flask)`
  1. **Ansible** - ([Repo](https://github.com/ansible/ansible), [Home](https://www.ansible.com/), [Docs](https://docs.ansible.com/ansible)) Agentless, playbook-based automation. `(linux, mac, corp)`
  1. **aws-cli** - ([Repo](https://github.com/aws/aws-cli), [PyPI](https://pypi.org/project/awscli), [Docs](https://docs.aws.amazon.com/cli/latest)) Official command-line interface for Amazon Web Services. `(console, py26)`
  1. **Beaker** - ([Repo](https://git.beaker-project.org/cgit/beaker), [Home](https://beaker-project.org/), [Docs](https://beaker-project.org/docs)) Hardware integration testing system, used by RedHat to test compatiblity for RHEL and Fedora. `(server, flask)`
  1. **Cobbler** - ([Repo](https://github.com/Cobbler/Cobbler), [Home](https://cobbler.github.io/), [WP](https://en.wikipedia.org/wiki/Cobbler_%28software%29)) Linux installation server that allows for rapid setup of network installation environments. `(linux, server)`
  1. **DCOS** - ([Repo](https://github.com/dcos/dcos), [Home](https://dcos.io/), [WP](https://en.wikipedia.org/wiki/Mesosphere%2C_Inc.#Mesosphere_DC/OS), [Docs](https://dcos.io/docs)) Management platform for hardware and software resources in datacenters, built on [Apache Mesos](https://en.wikipedia.org/wiki/Apache_Mesos). `(server, corp)`
  1. **fail2ban** - ([Repo](https://github.com/fail2ban/fail2ban), [Home](https://www.fail2ban.org/wiki/index.php/Main_Page), [WP](https://en.wikipedia.org/wiki/Fail2ban)) Daemon to ban hosts that cause multiple authentication errors on Linux servers. `(linux, server)`
  1. **Ganeti** - ([Repo](https://github.com/ganeti/ganeti)) Virtual machine cluster management tool built on existing virtualization technologies such as [Xen](https://en.wikipedia.org/wiki/Xen) and [KVM](https://en.wikipedia.org/wiki/Kernel-based_Virtual_Machine). `(linux, server, haskell)`
  1. **Glances** - ([Repo](https://github.com/nicolargo/glances), [Home](https://nicolargo.github.io/glances), [Docs](https://glances.readthedocs.io/en/stable)) A cross-platform top/htop alternative, providing an overview of system resources. `(productivity, linux, windows, mac, server)`
  1. **Gunicorn** - ([Repo](https://github.com/benoitc/gunicorn), [Home](https://gunicorn.org/), [PyPI](https://pypi.python.org/pypi/gunicorn)) Pluggable, pre-fork WSGI server, started as the counterpart to [Unicorn](https://en.wikipedia.org/wiki/Unicorn_(web_server)). `(server)`
  1. **Healthchecks** - ([Repo](https://github.com/healthchecks/healthchecks), [Home](https://healthchecks.io/), [Docs](https://healthchecks.io/docs)) Web-based monitor for scheduled jobs (e.g., cron). `(server, corp)`
  1. **Iris** - ([Repo](https://github.com/linkedin/iris), [Home](https://iris.claims/)) Flexible automated incident paging system, developed by and used at LinkedIn. `(server, corp)`
  1. **Nagstamon** - ([Repo](https://github.com/HenriWahl/Nagstamon), [Home](https://nagstamon.ifw-dresden.de/), [Docs](https://nagstamon.ifw-dresden.de/docs)) Status monitor for the desktop, with support for Nagios, Icinga, Opsview, and more. `(linux, windows, mac)`
  1. **NColony** - ([Repo](https://github.com/ncolony/ncolony), [Home](http://ncolony.org/en/latest)) Process manager and monitor. `(linux, mac, server)`
  1. **netbox** - ([Repo](https://github.com/netbox-community/netbox), [Docs](https://netbox.readthedocs.io/en/stable)) IP address management (IPAM) and data center infrastructure management (DCIM) tool, conceived at Digital Ocean. `(server, django)`
  1. **nsupdate.info** - ([Repo](https://github.com/nsupdate-info/nsupdate.info), [PyPI](https://pypi.org/project/nsupdate), [Docs](https://nsupdateinfo.readthedocs.io/en/latest)) Featureful dynamic DNS service, using the Dynamic DNS UPDATE protocol ([RFC 2136](https://tools.ietf.org/html/rfc2136)) to update BIND and other major nameservers. `(internet, server)`
  1. **Oncall** - ([Repo](https://github.com/linkedin/oncall), [Home](https://oncall.tools/)) Calendar tool designed for on-call management and scheduling, developed by and used at LinkedIn. `(server, corp)`
  1. **OpenStack** - ([Repo](https://github.com/openstack/openstack), [Home](https://www.openstack.org/), [Docs](https://docs.openstack.org/)) Cloud operating system that controls large pools of compute, storage, and networking resources throughout a datacenter, manageable through a web-based dashboard. `(server, corp)`
  1. **Pulp** - ([Repo](https://github.com/pulp/pulp), [Home](https://pulpproject.org/), [Docs](https://docs.pulpproject.org/)) Platform for managing repositories of software packages and making it available to a large numbers of consumers. Developed and used by Red Hat. `(server)`
  1. **Ralph** - ([Repo](https://github.com/allegro/ralph), [Home](https://ralph.allegro.tech/), [Docs](https://ralph-ng.readthedocs.io/en/stable)) Simple and powerful Asset Management, DCIM, and CMDB system for the data center and back office. `(server, django)`
  1. **Salt Stack** - ([Repo](https://github.com/saltstack/salt), [Home](https://repo.saltstack.com/)) Automation for the management and configuration of any infrastructure or application at scale. `(server, corp)`
  1. **Shinken** - ([Repo](https://github.com/naparuba/shinken), [Home](http://www.shinken-monitoring.org/)) Shinken is a modern, Nagios-compatible monitoring framework, designed to scale for large environments. `(server)`
  1. **Spinnaker** - ([Repo](https://github.com/spinnaker/spinnaker), [Home](https://www.spinnaker.io/), [WP](https://en.wikipedia.org/wiki/Spinnaker_%28software%29), [Docs](https://www.spinnaker.io/concepts)) Continuous delivery platform developed for Netflix's deployment and management of applications in cloud environments. `(server, corp)`
  1. **StackStorm** - ([Repo](https://github.com/StackStorm/st2), [Home](http://www.stackstorm.com/)) Rules- and event-driven operational automation for auto-remediation, security responses, troubleshooting, deployments, and more. `(server, corp)`
  1. **Supervisor** - ([Repo](https://github.com/Supervisor/supervisor), [Home](http://supervisord.org/)) Process manager and monitor. `(linux, mac, server)`

### <a id="tag-dev.security" href="#tag-dev.security">Security</a>

1. **BYOB (Build Your Own Botnet)** - ([Repo](https://github.com/malwaredllc/byob)) Client-server framework (RAT and C2 server) for security researchers to build and operate basic botnets. `(linux, windows, mac)`
  1. **CAPE** - ([Repo](https://github.com/ctxis/CAPE), [Demo](https://cape.contextis.com/submit)) Web application designed to automate malware analysis, succeeded by [CAPEv2](https://github.com/kevoreilly/CAPEv2). `(server)`
  1. **CAPEv2** - ([Repo](https://github.com/kevoreilly/CAPEv2), [Demo](https://www.capesandbox.com/)) Web application designed to automate malware analysis, with a goal of extracting payloads and configuration from uploaded artifacts. `(server)`
  1. **Cowrie** - ([Repo](https://github.com/cowrie/cowrie), [Home](http://www.cowrie.org/)) Medium interaction SSH and Telnet honeypot designed to log brute force attacks and the shell interaction performed by the attacker. `(server, corp)`
  1. **GRR Rapid Response** - ([Repo](https://github.com/google/grr), [Docs](https://grr-doc.readthedocs.io/en/latest)) Server-agent system focused on remote live forensics for quick, browser-based triage and analysis of attacks on fleets of machines, with agent support for Linux, Windows, and OS X. `(server, corp)`
  1. **hosts** - ([Repo](https://github.com/StevenBlack/hosts)) Command-line application which merges reputable [hosts files](https://en.wikipedia.org/wiki/Hosts_(file)) with deduplication for the purpose of blocking undesirable websites via DNS blackhole. `(internet, linux, windows, mac)`
  1. **Hubble** - ([Repo](https://github.com/hubblestack/hubble), [Docs](https://hubblestack.readthedocs.io/en/latest)) Modular security compliance client, providing on-demand profile-based auditing, alerting, and reporting. Originally designed for Adobe. `(linux, windows, corp)`
  1. **Infection Monkey** - ([Repo](https://github.com/guardicore/monkey), [Home](https://www.guardicore.com/infectionmonkey), [Docs](https://github.com/guardicore/monkey/wiki)) Web-based tool for testing a datacenter's resiliency to perimeter breaches and internal server infection. `(server)`
  1. **King Phisher** - ([Repo](https://github.com/securestate/king-phisher), [Docs](https://king-phisher.readthedocs.io/)) Server-based [phishing](https://en.wikipedia.org/wiki/Phishing) campaign toolkit, used to simulate real-world phishing attacks, with GTK-powered client application. `(linux, windows, server)`
  1. **LinOTP** - ([Repo](https://github.com/LinOTP/LinOTP), [Home](https://www.linotp.org/), [WP](https://en.wikipedia.org/wiki/LinOTP), [Docs](https://www.linotp.org/documentation.html)) Server supporting two-factor authentication with one-time passwords from several sources, from Yubikeys to SMS. `(server)`
  1. **Maltrail** - ([Repo](https://github.com/stamparm/maltrail)) Malicious traffic detection system with web-based monitoring. `(linux, server)`
  1. **MITMproxy** - ([Repo](https://github.com/mitmproxy/mitmproxy), [Home](https://mitmproxy.org/)) Interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers. `(linux, windows, mac)`
  1. **MozDef** - ([Repo](https://github.com/mozilla/MozDef), [Docs](https://mozdef.readthedocs.io/en/latest?badge=latest)) Security incident automation with metrics and collaboration tools for defenders. `(server)`
  1. **OpenSnitch** - ([Repo](https://github.com/evilsocket/opensnitch), [Fund](https://www.patreon.com/evilsocket)) GNU/Linux port of the [Little Snitch](https://en.wikipedia.org/wiki/Little_Snitch) application firewall. `(linux, qt5)`
  1. **Passit** - ([Repo](https://gitlab.com/passit/passit-backend), [Home](https://passit.io/), [Docs](https://passit.io/documentation)) Password management server, providing storage services and group access control list features. `(server)`
  1. **privacyIDEA** - ([Repo](https://github.com/privacyidea/privacyidea), [Home](https://privacyidea.org/), [WP](https://en.wikipedia.org/wiki/PrivacyIDEA), [Docs](https://privacyidea.readthedocs.io/)) A multi factor authentication server running on premises, supporting many different token types and allowing authentication via REST API, RADIUS, PAM, Windows Credential Provider, SAML, OpenID Connect. `(server)`
  1. **Psono** - ([Repo](https://gitlab.com/psono/psono-server), [Home](https://psono.com/), [Demo](https://www.psono.pw/), [Docs](https://doc.psono.com/)) Server-based password manager, built for teams. `(productivity, server)`
  1. **Pupy** - ([Repo](https://github.com/n1nj4sec/pupy), [Docs](https://github.com/n1nj4sec/pupy/wiki/Installation)) Remote administration tool and post-exploitation framework, supporting Windows, Linux, Mac OS X, and Android targets. `(linux, docker, server)`
  1. **PyEW** - ([Repo](https://github.com/joxeankoret/pyew), [Docs](https://github.com/joxeankoret/pyew/wiki)) Malware analysis tool, with support for hexadecimal viewing, disassembly, PE and ELF formats, plugins, and more. `(console)`
  1. **Recon-ng** - ([Repo](https://github.com/lanmaster53/recon-ng), [Home](https://github.com/lanmaster53/recon-ng), [Docs](https://github.com/lanmaster53/recon-ng/wiki)) Recon-ng is a full-featured reconnaissance framework providing a powerful environment to conduct open source web-based reconnaissance quickly and thoroughly. `(linux)`
  1. **Searx** - ([Repo](https://github.com/asciimoo/searx), [Docs](https://asciimoo.github.io/searx)) Self-hosted metasearch engine, aggregating results from more than 70 services while avoiding tracking and profiling. `(internet, server, flask)`
  1. **Spiderfoot** - ([Repo](https://github.com/smicallef/spiderfoot), [Home](https://www.spiderfoot.net/), [Docs](https://www.spiderfoot.net/documentation)) Reconnaissance tool that automatically queries over 100 public data sources to gather intelligence on IP addresses, domain names, e-mail addresses, names, and more. `(linux, windows, mac, docker, server)`
  1. **sqlmap** - ([Repo](https://github.com/sqlmapproject/sqlmap), [Home](http://sqlmap.org/), [Docs](https://github.com/sqlmapproject/sqlmap/wiki)) Automatic SQL injection and database takeover. `(storage, console)`
  1. **sshuttle** - ([Repo](https://github.com/sshuttle/sshuttle), [Docs](https://sshuttle.readthedocs.org/)) Transparent network proxy server that uses SSH to achieve VPN-like results, without requiring root access. `(linux, mac)`
  1. **Universal Radio Hacker (URH)** - ([Repo](https://github.com/jopohl/urh)) Wireless protocol investigator, with a focus on analyzing proprietary IoT communication. `(linux, windows, mac)`
  1. **XSStrike** - ([Repo](https://github.com/s0md3v/XSStrike)) [Cross Site Scripting](https://en.wikipedia.org/wiki/Cross-site_scripting) (XSS) detection suite equipped with multiple hand-written parsers, a payload generator, a fuzzing engine, and a performance-focused crawler. `(console)`

### <a id="tag-dev.docs" href="#tag-dev.docs">Docs</a>

1. **asciidoc** - ([Repo](https://github.com/asciidoc/asciidoc)) Text document format for writing notes, documentation, articles, books, slideshows, man pages & blogs. `(console)`
  1. **doc2dash** - ([Repo](https://github.com/hynek/doc2dash), [Home](https://doc2dash.readthedocs.io/), [PyPI](https://pypi.org/project/doc2dash)) Extensible CLI-based [Documentation Set](https://developer.apple.com/library/archive/documentation/DeveloperTools/Conceptual/Documentation_Sets/010-Overview_of_Documentation_Sets/docset_overview.html#//apple_ref/doc/uid/TP40005266-CH13-SW6) generator intended for use with [Dash.app](https://kapeli.com/dash/) and [other](https://velocity.silverlakesoftware.com/) [compatible](https://github.com/dash-docs-el/helm-dash) [API browsers](https://zealdocs.org/). `(linux, mac)`
  1. **Gaphor** - ([Repo](https://github.com/gaphor/gaphor), [Docs](https://gaphor.readthedocs.io/en/latest)) Simple [UML](https://en.wikipedia.org/wiki/Unified_Modeling_Language) modeling tool designed for beginners. `(graphics, linux, windows, mac, flatpak, gtk)`
  1. **Kuma** - ([Repo](https://github.com/mozilla/kuma), [Home](https://developer.mozilla.org/en-US), [Docs](https://kuma.readthedocs.io/en/latest/installation.html)) The platform powering the Mozilla Developer Network (MDN) `(server, django)`
  1. **mkdocs** - ([Repo](https://github.com/mkdocs/mkdocs), [Home](https://www.mkdocs.org/)) Simple, customizable project documentation, with built-in dev server. `(console)`
  1. **readthedocs.org** - ([Repo](https://github.com/readthedocs/readthedocs.org), [Home](https://readthedocs.org/), [Docs](https://docs.readthedocs.io/en/stable)) Continuous integration platform for building and hosting documentation. `(server, django)`
  1. **Sphinx** - ([Repo](https://github.com/sphinx-doc/sphinx), [Home](http://sphinx-doc.org/)) Documentation tool for interconnected bodies of authorship, from code documentation to books. Used by [the official Python docs](https://docs.python.org), and many other projects ([not all of them Python](https://varnish-cache.org/docs/)). `(console)`

### <a id="tag-dev.editor" href="#tag-dev.editor">Editor</a>

1. **Algojammer** - ([Repo](https://github.com/ChrisKnott/Algojammer), [Demo](https://www.youtube.com/watch?v=9XPE4uT0AdE)) An experimental, proof-of-concept IDE to assist with algorithm-writing in a competition setting. `(linux, windows, mac, tk)`
  1. **Black** - ([Repo](https://github.com/ambv/black), [PyPI](https://pypi.org/project/black), [Docs](https://black.readthedocs.io/)) Uncompromising automatic formatter for Python code. `(console)`
  1. **Eric IDE** - ([Repo](http://die-offenbachs.homelinux.org:48888/hg/eric), [Home](https://eric-ide.python-projects.org/)) Python editor and IDE, based on Qt, integrating Scintilla editor control. `(linux, windows, mac, qt5)`
  1. **Gedit** - ([Repo](https://gitlab.gnome.org/GNOME/gedit), [WP](https://en.wikipedia.org/wiki/Gedit)) The default GNOME text editor makes extensive use of Python, in addition to C. `(linux, c, gtk)`
  1. **Jupyter Notebook** - ([Repo](https://github.com/jupyter/notebook), [Home](https://jupyter.org/), [WP](https://en.wikipedia.org/wiki/Project_Jupyter#Jupyter_Notebook)) Web-based, extensible notebook environment for interactive computing. `(linux, windows, mac)`
  1. **Komodo Edit** - ([Repo](https://github.com/Komodo/KomodoEdit), [Home](https://www.activestate.com/products/komodo-edit), [WP](https://en.wikipedia.org/wiki/Komodo_Edit)) Multi-language code editor, written in JS, Python, and C++, based on the Mozilla platform. `(linux, windows, mac, cpp, js)`
  1. **Leo Editor** - ([Repo](https://github.com/leo-editor/leo-editor), [Home](http://leoeditor.com/), [WP](https://en.wikipedia.org/wiki/Leo_%28text_editor%29)) Personal Information Manager (PIM), IDE, and outliner with a holistic approach to programming and writing. `(linux, windows, mac, qt5)`
  1. **mu** - ([Repo](https://github.com/mu-editor/mu), [Home](https://codewith.mu/en)) A small, simple editor designed for beginner Python programmers. `(linux, windows, mac, qt5)`
  1. **Ninja IDE** - ([Repo](https://github.com/ninja-ide/ninja-ide), [Home](http://ninja-ide.org/), [WP](https://en.wikipedia.org/wiki/Ninja-IDE)) Cross-platform Python IDE with project management, linting, extensions, and more. `(linux, windows, mac, qt5)`
  1. **Pluma** - ([Repo](https://github.com/mate-desktop/pluma)) Small and lightweight UTF-8 text editor for [the MATE environment](http://mate-desktop.org/). Based on gedit. `(linux, c, gtk)`
  1. **ReText** - ([Repo](https://github.com/retext-project/retext), [PyPI](https://pypi.org/project/ReText), [Docs](https://github.com/retext-project/retext/wiki)) Simple but powerful editor for Markdown and reStructuredText markup languages. `(linux)`
  1. **Spyder IDE** - ([Repo](https://github.com/spyder-ide/spyder), [Home](https://www.spyder-ide.org/), [WP](https://en.wikipedia.org/wiki/Spyder_%28software%29)) Scientific editing and execution environment designed by and for scientists, engineers, and data analysts using Python. `(linux, windows, mac, qt5)`
  1. **Thonny** - ([Repo](https://github.com/thonny/thonny), [Home](https://thonny.org/), [WP](https://en.wikipedia.org/wiki/Thonny)) Cross-platform Python IDE for beginners, designed for learning to code. `(linux, windows, mac, tk)`

### <a id="tag-dev.pkg_mgr" href="#tag-dev.pkg_mgr">Package Managers</a>

1. **Conan** - ([Repo](https://github.com/conan-io/conan), [Home](https://conan.io/), [Docs](https://docs.conan.io/en/latest)) Decentralized package manager for binary package management, targeted at C/C++ developers. `(linux, windows, mac)`
  1. **Conda** - ([Repo](https://github.com/conda/conda), [Home](https://conda.io/), [WP](https://en.wikipedia.org/wiki/Conda_%28package_manager%29)) OS-agnostic, system-level binary package manager and ecosystem, with a focus on Python and high-performance scientific computing. `(linux, windows, mac, corp)`
  1. **dnf** - ([Repo](https://github.com/rpm-software-management/dnf), [WP](https://en.wikipedia.org/wiki/DNF_%28software%29), [Docs](https://dnf.readthedocs.io/en/latest)) Dandified YUM (DNF) is the successor to `yum` and works everywhere yum worked. `(linux, corp)`
  1. **pip** - ([Repo](https://github.com/pypa/pip), [Home](https://pip.pypa.io/en/stable), [WP](https://en.wikipedia.org/wiki/Pip_%28package_manager%29), [PyPI](https://pypi.org/project/pip)) Python's go-to package manager, with a wide range of features and platform support. `(linux, windows, mac)`
  1. **pip-tools** - ([Repo](https://github.com/jazzband/pip-tools)) A set of command line tools to help you keep your pip-based packages fresh, even when you've pinned them. `(linux, windows, mac)`
  1. **pipenv** - ([Repo](https://github.com/pypa/pipenv), [Docs](https://pipenv.readthedocs.io/en/latest)) Wrapper around `pip`, [`virtualenv`](https://github.com/pypa/virtualenv), and [`pip-tools`](https://github.com/jazzband/pip-tools) for a more holistic package management workflow. `(linux, windows, mac)`
  1. **Poetry** - ([Repo](https://github.com/sdispater/poetry), [Home](https://poetry.eustace.io/), [Docs](https://poetry.eustace.io/docs)) An independent approach to Python dependency management and packaging. `(linux, windows, mac)`
  1. **Portage** - ([Repo](https://gitweb.gentoo.org/proj/portage.git), [WP](https://en.wikipedia.org/wiki/Portage_%28software%29)) Platform-agnostic Package management system created for and used by Gentoo Linux and also by Chrome OS, Sabayon, and Funtoo Linux. Inspired by FreeBSD ports. `(linux)`
  1. **Solaris IPS** - ([Repo](https://github.com/oracle/solaris-ips)) Software delivery system backed by network repository, featuring safe execution for zones, use of ZFS for efficiency and rollback, preventing the introduction of invalid packages, and efficient use of bandwidth. `(linux, corp)`
  1. **yum** - ([Repo](https://github.com/rpm-software-management/yum), [Home](http://yum.baseurl.org/), [WP](https://en.wikipedia.org/wiki/Yum_%28software%29)) Automatic updater and package installer/remover for RPM-based systems (Fedora, RHEL, etc.). `(linux, corp)`

### <a id="tag-dev.pkg_repo" href="#tag-dev.pkg_repo">Package Repositories</a>

1. **Bandersnatch** - ([Repo](https://github.com/pypa/bandersnatch)) PyPI mirror client complying with [PEP 381](http://www.python.org/dev/peps/pep-0381/). `(server, corp)`
  1. **devpi** - ([Repo](https://github.com/devpi/devpi), [Docs](http://doc.devpi.net/)) PyPI staging server, as well as a packaging, testing, release tool, complete with web and search interface. Like a local PyPI. `(server)`
  1. **distro-tracker** - ([Repo](https://salsa.debian.org/qa/distro-tracker), [Demo](https://tracker.debian.org/), [Docs](https://qa.pages.debian.net/distro-tracker)) Web application designed to follow the evolution of a Debian-based distribution with email updates and a comprehensive web interface. Powers the [Debian Package Tracker](https://tracker.debian.org/). `(server)`
  1. **SweetTooth Web** - ([Repo](https://gitlab.gnome.org/Infrastructure/extensions-web), [Home](https://extensions.gnome.org/)) The web store for extensions to the [GNOME](https://en.wikipedia.org/wiki/GNOME) desktop environment, supporting adding and updating extensions directly from the browser. `(server)`
  1. **Warehouse** - ([Repo](https://github.com/pypa/warehouse), [Fund](https://psfmember.org/civicrm/contribute/transact?reset=1&id=13), [Docs](https://warehouse.pypa.io/)) Server software that powers [PyPI](https://pypi.org/), where most Python libraries are downloaded from. `(server, fnd)`

### <a id="tag-dev.build" href="#tag-dev.build">Build</a>

1. **bitbake** - ([Repo](https://github.com/openembedded/bitbake), [WP](https://en.wikipedia.org/wiki/BitBake), [Docs](https://www.yoctoproject.org/docs/current/bitbake-user-manual/bitbake-user-manual.html)) Generic task execution engine that allows shell and Python tasks to be run efficiently and in parallel while working within complex inter-task dependency constraints. `(linux)`
  1. **buildbot** - ([Repo](https://github.com/buildbot/buildbot), [WP](https://en.wikipedia.org/wiki/Buildbot), [Docs](https://www.buildbot.net/)) Job scheduling system tailored to the needs of continuous integration and software packaging. `(server)`
  1. **Buildout** - ([Repo](https://github.com/buildout/buildout), [WP](https://en.wikipedia.org/wiki/Buildout), [Docs](http://docs.buildout.org/)) Extensible deployment automation tool designed for application-centric assembly and deployment, as well as repeatable Python software builds. `(linux, windows, mac)`
  1. **doit** - ([Repo](https://github.com/pydoit/doit), [Home](https://pydoit.org/), [Fund](https://opencollective.com/doit), [Docs](https://pydoit.org/contents.html)) Command-line task management and automation tool, with directives written in Python. `(linux, windows, mac)`
  1. **GYP** - ([Repo](https://chromium.googlesource.com/external/gyp), [Home](https://gyp.gsrc.io/), [WP](https://en.wikipedia.org/wiki/GYP_%28software%29)) AKA 'Generate Your Projects', a build system that generates other build systems. `(linux, windows, mac)`
  1. **JHBuild** - ([Repo](https://gitlab.gnome.org/GNOME/jhbuild), [Home](https://wiki.gnome.org/Projects/Jhbuild), [gh](https://github.com/GNOME/jhbuild), [Docs](https://developer.gnome.org/jhbuild/stable/getting-started.html.en)) Tool designed to ease building collections of packages, originally written to build the GNOME desktop from sources. `(linux)`
  1. **Meson** - ([Repo](https://github.com/mesonbuild/meson), [Home](http://mesonbuild.com/)) Build system designed for speed and user-friendliness. `(linux, windows, mac)`
  1. **Pants** - ([Repo](https://github.com/pantsbuild/pants), [Home](https://www.pantsbuild.org/)) Build system designed for monolithic repositories. `(linux, mac, corp)`
  1. **PlatformIO Core** - ([Repo](https://github.com/platformio/platformio-core), [Home](https://platformio.org/), [Fund](https://platformio.org/donate?utm_source=github&utm_medium=core), [PyPI](https://pypi.org/project/platformio), [Docs](https://docs.platformio.org/en/latest?utm_source=github&utm_medium=core)) Multiplatform CLI build system and library manager for IoT development. `(linux, windows, mac)`
  1. **redo** - ([Repo](https://github.com/apenwarr/redo), [Docs](https://redo.readthedocs.io/en/latest)) A recursive, general-purpose build sytem, replacing `make` with original design by [DJB](https://en.wikipedia.org/wiki/Daniel_J._Bernstein). `(linux, windows, mac, console)`
  1. **SCons** - ([Repo](https://github.com/SCons/scons), [Home](http://scons.org/), [WP](https://en.wikipedia.org/wiki/SCons)) Domain-specific language and build tool, designed to replace Make, autoconf, and ccache. `(linux, windows, mac)`
  1. **Snapcraft** - ([Repo](https://github.com/snapcore/snapcraft), [Home](https://snapcraft.io/), [Docs](https://snapcraft.io/docs)) A command-line tool to package, distribute, and update apps for Linux and IoT using containerization, developed by Canonical. `(linux)`
  1. **Waf** - ([Repo](https://gitlab.com/ita1024/waf), [Home](https://waf.io/), [WP](https://en.wikipedia.org/wiki/Waf), [Docs](https://waf.io/book)) Cross-platform build system designed to improve on SCons. `(linux)`

### <a id="tag-dev.shell" href="#tag-dev.shell">Shell</a>

1. **Ergonomica** - ([Repo](https://github.com/ergonomica/ergonomica), [Docs](http://ergonomica.readthedocs.io/)) Cross-platform shell language based on [S-expressions](https://en.wikipedia.org/wiki/S-expression) combined with traditional shell features. `(linux, windows, mac)`
  1. **Oil** - ([Repo](https://github.com/oilshell/oil), [Home](http://www.oilshell.org/)) A new [bash](https://en.wikipedia.org/wiki/Bash_(Unix_shell))- and [dash](https://en.wikipedia.org/wiki/Almquist_shell#dash:_Ubuntu,_Debian_and_POSIX_compliance_of_Linux_distributions) backwards-compatible shell, with an improved language of its own. `(linux)`
  1. **Xonsh** - ([Repo](https://github.com/xonsh/xonsh), [Home](https://xon.sh/)) Cross-platform shell language and command prompt. The language is a superset of Python 3.4+ with additional shell primitives. `(linux, windows, mac)`

### <a id="tag-dev-other" href="#tag-dev-other">Other Dev projects</a>
  1. **asciinema** - ([Repo](https://github.com/asciinema/asciinema), [Home](https://asciinema.org/)) Terminal session recorder and replayer. `(linux, mac)`
  1. **autojump** - ([Repo](https://github.com/wting/autojump)) A `cd` with many heuristics to speed up console filesystem navigation. `(console)`
  1. **coala** - ([Repo](https://github.com/coala/coala), [Home](https://coala.io/)) Unified command-line interface for linting and fixing code, regardless of programming language. `(console)`
  1. **Cookiecutter** - ([Repo](https://github.com/audreyr/cookiecutter), [PyPI](https://pypi.org/project/cookiecutter), [Docs](https://cookiecutter.readthedocs.io/en/latest)) Utility for creating new projects from shareable templates. `(console)`
  1. **Cython** - ([Repo](https://github.com/cython/cython), [Home](https://cython.org/), [PyPI](https://pypi.org/project/cython), [Docs](http://docs.cython.org/)) Language and compiler designed for high-performance Python and C interoperability. `(linux, windows, mac)`
  1. **doitlive** - ([Repo](https://github.com/sloria/doitlive), [PyPI](https://pypi.org/project/doitlive), [Docs](https://doitlive.readthedocs.io/)) Tool for live presentations in the terminal. `(linux, mac)`
  1. **DrawBot** - ([Repo](https://github.com/typemytype/drawbot), [Home](http://www.drawbot.com/), [WP](https://en.wikipedia.org/wiki/DrawBot)) A powerful programmatic 2D drawing application for MacOS X which generates graphics from Python scripts. `(graphics, education, mac)`
  1. **gdbgui** - ([Repo](https://github.com/cs01/gdbgui), [Home](https://gdbgui.com/), [PyPI](https://pypi.org/project/gdbgui)) Browser-based frontend for [gdb](https://en.wikipedia.org/wiki/GNU_Debugger). `(linux, windows, mac)`
  1. **GNS3 GUI** - ([Repo](https://github.com/GNS3/gns3-gui), [Home](https://www.gns3.com/), [PyPI](https://pypi.org/project/gns3-gui), [Docs](https://docs.gns3.com/)) Graphical Network Simulator used to emulate, configure, test and troubleshoot virtual and real networks. (Backed by server component [here](https://github.com/GNS3/gns3-server).) `(linux, windows, mac)`
  1. **howdoi** - ([Repo](https://github.com/gleitz/howdoi), [PyPI](https://pypi.org/project/howdoi)) Instant coding answers from StackOverflow on your command line. `(console)`
  1. **httpie** - ([Repo](https://github.com/jakubroztocil/httpie), [Home](https://httpie.org/), [PyPI](https://pypi.org/project/httpie)) Command-line HTTP client with JSON support, syntax highlighting, wget-like downloads, extensions, and more. `(internet, linux, windows, mac)`
  1. **IPython** - ([Repo](https://github.com/ipython/ipython), [Docs](https://ipython.readthedocs.org/)) Set of enhancements to Python, wrapping it for richer interactivity. `(console)`
  1. **LocalStack** - ([Repo](https://github.com/localstack/localstack), [Home](https://localstack.cloud/), [PyPI](https://pypi.org/project/localstack)) Self-hostable version of many AWS services, including S3, Route53, Lambda, Redshift, and much more, designed for testing cloud-centric code. `(server)`
  1. **Locust** - ([Repo](https://github.com/locustio/locust), [Home](https://locust.io/), [Docs](https://docs.locust.io/)) Scalable user load testing tool for web sites, featuring an interactive web interface. `(server)`
  1. **MLflow** - ([Repo](https://github.com/mlflow/mlflow), [Home](https://mlflow.org/), [Docs](https://mlflow.org/docs/latest/index.html)) Integrated command-line application and web service, supporting an end-to-end machine-learning workflow around tracking, packaging, and deploying. Developed by [Databricks](https://docs.databricks.com/applications/mlflow/index.html). `(organization, linux, mac, corp)`
  1. **PathPicker** - ([Repo](https://github.com/facebook/PathPicker), [Home](http://facebook.github.io/PathPicker)) Shell utility to interactively select paths from the output of other commands. `(linux, mac)`
  1. **PeachPy** - ([Repo](https://github.com/Maratyszcza/PeachPy)) Highly portable assembler with unified syntax, sporting an extensive user list, including many cryptography libraries for Go. `(linux, windows)`
  1. **PINCE** - ([Repo](https://github.com/korcankaraokcu/PINCE)) Debugging frontend for GDB focused on reverse engineering video games. `(linux, qt5)`
  1. **Plinth** - ([Repo](https://salsa.debian.org/freedombox-team/plinth), [Home](https://freedombox.org/), [Docs](https://wiki.debian.org/FreedomBox/Plinth)) The core functionality and web front-end of [FreedomBox](https://freedombox.org/), an easy-to-manage, privacy-oriented home server. `(linux, server)`
  1. **Polyaxon** - ([Repo](https://github.com/polyaxon/polyaxon), [Home](https://polyaxon.com/), [Docs](https://docs.polyaxon.com/)) A web-based platform for reproducible and scalable machine learning experiment management and metrics-tracking, based on kubernetes, with support for TensorFlow, PyTorch, Keras, and many more. `(server)`
  1. **PPCI** - ([Repo](https://bitbucket.org/windel/ppci), [Demo](https://godbolt.org/g/eooaPP), [gh](https://github.com/windelbouwman/ppci-mirror), [PyPI](https://pypi.org/project/ppci), [Docs](https://ppci.readthedocs.io/)) The Pure Python Compiler Infrastructure is a compiler written entirely in Python, containing front-ends for various programming languages (C, c3, WebAssembly, and others) as well as machine code generation backends for various CPUs (6500, arm, avr, x86_64, openrisc, among others). `(linux, windows, mac)`
  1. **RedHat Anaconda** - ([Repo](https://github.com/rhinstaller/anaconda), [Docs](https://anaconda-installer.readthedocs.io/en/latest)) Installation program used by Fedora, Red Hat Enterprise Linux, and other Linux distributions. `(linux, gtk)`
  1. **Robot Framework** - ([Repo](https://github.com/robotframework/robotframework), [Home](http://robotframework.org/)) Generic, cross-platform, and language-independent automation framework for acceptance testing, acceptance test driven development (ATDD), and robotic process automation (RPA). Extensible in Python and Java. `(console)`
  1. **ScratchABit** - ([Repo](https://github.com/pfalcon/ScratchABit)) Easily retargetable and hackable interactive disassembler with IDAPython-compatible plugin API. `(linux, tui)`
  1. **Script Server** - ([Repo](https://github.com/bugy/script-server), [Demo](https://script-server.net/), [Docs](https://github.com/bugy/script-server/wiki)) Turn scripts into interactive, validated, authenticated, auditable web UIs, without modifying the scripts. `(server)`
  1. **Sentry** - ([Repo](https://github.com/getsentry/sentry), [Home](https://sentry.io/)) Web service and frontend for cross-platform application monitoring, with a focus on error reporting. `(server, corp, django)`
  1. **Socorro** - ([Repo](https://github.com/mozilla-services/socorro), [Docs](https://wiki.mozilla.org/Socorro)) Web service for collecting crash statistics from Mozilla products, including Firefox, Thunderbird, and [others](https://crash-stats.mozilla.org/). `(server)`
  1. **Taiga** - ([Repo](https://github.com/taigaio/taiga-back), [Home](https://taiga.io/), [Docs](http://taigaio.github.io/taiga-doc/dist)) Web application built for managing projects with agile development processes. `(organization, server, django)`
  1. **Thumbor** - ([Repo](https://github.com/thumbor/thumbor), [Home](http://thumbor.org/), [Docs](https://thumbor.readthedocs.io/)) Photo thumbnail service with resizing, flipping, and smart cropping of images. `(graphics, server)`
  1. **Ubiquity** - ([Repo](https://code.launchpad.net/ubiquity), [WP](https://en.wikipedia.org/wiki/Ubiquity_%28software%29)) The default installer for Ubuntu and its derivatives, designed to be run from Live CD or USB. `(linux, gtk, qt)`
  1. **Voltron** - ([Repo](https://github.com/snare/voltron)) Extensible debugger wrapper aiming to improve the user experience of various debuggers, such as [LLDB](https://lldb.llvm.org/), [GDB](https://en.wikipedia.org/wiki/GNU_Debugger), and [WinDbg](https://en.wikipedia.org/wiki/WinDbg). `(linux, windows, mac)`
  1. **YunoHost** - ([Repo](https://github.com/YunoHost/yunohost), [Home](https://yunohost.org/), [Docs](https://yunohost.org/#/docs)) Server operating system based on Debian Linux aiming to make self-hosting accessible to as many people as possible, with support for several types of hardware. `(linux, server)`

## <a id="tag-misc" href="#tag-misc">Misc</a>

1. **CourtListener** - ([Repo](https://github.com/freelawproject/courtlistener), [Home](https://www.courtlistener.com/), [WP](https://en.wikipedia.org/wiki/Free_Law_Project)) Web application which provides a graph-based search interface and API with 900,000 minutes of oral argument recordings, more than eight thousand judges, and more than three million opinions. Also powers [RECAP search](https://www.courtlistener.com/recap/). `(server)`
  1. **Guake** - ([Repo](https://github.com/Guake/guake), [Home](http://guake-project.org/)) Drop-down terminal for GNOME, reminiscent of first-person game command consoles. `(linux, gtk)`
  1. **Home Assistant** - ([Repo](https://github.com/home-assistant/home-assistant), [Home](https://www.home-assistant.io/), [Demo](https://demo.home-assistant.io/), [Docs](https://www.home-assistant.io/docs)) Home automation platform that puts local control and privacy first. `(linux)`
  1. **JARVIS on Messenger** - ([Repo](https://github.com/swapagarwal/JARVIS-on-Messenger), [Home](https://m.me/J.A.R.V.I.S.on.Messenger)) Facebook Messenger bot with a wide assortment of features. `(server)`
  1. **NFO Viewer** - ([Repo](https://github.com/otsaloma/nfoview), [Home](https://otsaloma.io/nfoview)) A simple viewer for NFO files and the ASCII art therein, with preset fonts, encodings, automatic window sizing, and clickable hyperlinks. `(graphics, linux, windows)`
  1. **Nicotine+** - ([Repo](https://github.com/Nicotine-Plus/nicotine-plus)) Graphical desktop client for the [Soulseek](https://en.wikipedia.org/wiki/Soulseek) peer-to-peer system. `(linux, windows, gtk)`
  1. **Nimbus** - ([Repo](https://github.com/nimbusproject/nimbus), [Home](http://www.nimbusproject.org/)) Infrastructure-as-a-Service platform geared toward scientific cloud computing. `(linux)`
  1. **OpenLP** - ([Repo](https://code.launchpad.net/openlp), [Home](https://openlp.org/)) Presentation software geared toward church usage. `(linux, windows, mac, qt5)`
  1. **qtile** - ([Repo](https://github.com/qtile/qtile), [Home](http://qtile.org/)) A small, flexible, scriptable tiling window manager. `(linux)`
  1. **uMap** - ([Repo](https://github.com/umap-project/umap), [Docs](https://wiki.openstreetmap.org/wiki/UMap)) Web application allowing users to create maps with OpenStreetMap layers and embed it on other sites. `(server)`
  1. **Wammu** - ([Repo](https://github.com/gammu/wammu), [Home](https://wammu.eu/wammu)) GUI phone manager with read/write support for contacts, todo, calendar, SMS, and more, primarily designed for Nokia and AT-compatible phones. `(linux, windows)`
  1. **Wicd** - ([Repo](https://code.launchpad.net/wicd), [Home](http://wicd.sourceforge.net/download.php), [WP](https://en.wikipedia.org/wiki/Wicd)) Graphical utility for managing wired and wireless connections on Linux. `(linux, gtk)`
  1. **Xpra** - ([Repo](https://xpra.org/svn/Xpra/trunk), [Home](http://xpra.org/)) Cross-platform remote display server and client for forwarding applications and desktop screens. `(linux, windows)`

## Conclusion

If you have a project to add, [please let us know](https://github.com/mahmoud/awesome-python-applications/issues)!

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