GAP, a system for computational discrete algebra.

GAP is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.

GAP is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
License for more details.

You should have received a copy of the GNU General Public License
along with GAP; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.


Copyright (C) 1988-2020 by its authors, which include:

* Ákos Seress
* Alex Wegner
* Alexander Hulpke
* Alexander Konovalov
* Alice Niemeyer
* Andreas Distler
* Andrew Solomon
* Anna Sucker
* Ansgar Kaup
* Arne Storjohann
* Bernhard Reinke
* Bettina Eick
* Bill Allombert
* Björn Assmann
* Blair Archibald
* Bohdan Majewski
* Burkhard Höfling
* Charles R.B. Wright
* Chris Jefferson
* Chris Wensley
* Christian Sievers
* Christopher Russell
* Claus Fieker
* Colva M. Roney-Dougal
* Craig A. Struble
* David Joyner
* Derek F. Holt
* Dmitrii Pasechnik
* Dominik Bernhardt
* Emma Ahrens
* Erik M. Bray
* Erzsébet Horváth
* Etaoin Shrdlu
* Fabian Zickgraf
* Felix Noeske
* Ferenc Ràkòczi
* Florian Heiderich
* Frank Celler
* Frank Lübeck
* Franz Gähler
* Gábor Horváth
* Gaurav Dhingra
* Gene Cooperman
* Glen Whitney
* Götz Pfeiffer
* Greg Gamble
* Hans Ulrich Besche
* Heiko Theißen
* Isabel M. Araújo
* Isuru Fernando
* Jack Schmidt
* James Mitchell
* James Williams
* Jan de Muijnck-Hughes
* Jendrik Brachter
* Jens Brandt
* Jens Hollmann
* Jens Rosenboom
* Jerome Benoit
* Jerry James
* Joachim Neubüser
* Johannes Meier
* John McDermott
* Jürgen Mnich
* Jürgen Müller
* Juergen Wisliceny
* Laurent Bartholdi
* Lucas Jones
* Lucas Wollenhaupt
* Lukas Maas
* Marco Costantini
* Markus Baumeister
* Markus Pfeiffer
* Martin Schönert
* Max Horn
* Max Neunhöffer
* Michael Smith
* Michael Torpey
* Mohamed Barakat
* Oliver Bonten
* Paul Smith
* Paula Hähndel
* Reimer Behrends
* Rob Wainwright
* Robert Arthur
* Robert F. Morse
* Russ Woodroofe
* Sandeep Murthy
* Sarah Rees
* Scott Murray
* Sebastian Gutsche
* Sergio Siccha
* Soley Jonsdottir
* Stefan Kohl
* Steve Linton
* Susanne Keitemeier
* Thomas Bischops
* Thomas Breuer
* Thomas Merkwitz
* Udo Polis
* Ute Schiffer
* Vinay Wagh
* Vladimir Janjic
* Volker Braun
* Volkmar Felsch
* Werner Nickel
* Wilf Wilson
* Willem de Graaf
* Wolfgang Merkwitz

and others