KDE

Preferred license: GNU General Public License (GPL)
KDE is an international technology team that creates integrated Free/Open Source Software for desktop and portable computing. Among KDE's products are a modern desktop system for Linux and UNIX platforms, comprehensive office productivity and groupware suites and hundreds of software titles in many categories including Internet and web applications, multimedia, entertainment, educational, graphics and software development. Building on the cross-platform capabilities of Trolltech®'s Qt®, KDE4's full-featured applications run natively on Linux, BSD, Solaris, Windows and Mac OS X.
 
Current Projects
by William Viana Soares, mentored by Leonardo Franchi
by Alejandro Wainzinger, mentored by Jeff Mitchell
by Daniel Jones, mentored by Lydia Pintscher
by Jason Novinger, mentored by Ian Monroe
by ZHOU Lei, mentored by Mark Kretschmann
by Lorenzo Villani, mentored by Jaroslaw Staniek
by Casey Link, mentored by Nikolaj Hald Nielsen
by Carlos Manuel Licea Vázquez, mentored by Casper Boemann
by Lukáš Tvrdý, mentored by Boudewijn Rempt
by Fela Winkelmolen, mentored by Jan Hambrecht
by Fredy Yanardi, mentored by Thorsten Zachmann
by Pierre Ducroquet, mentored by Sebastian Sauer
by George Goldberg, mentored by Tobias Hunger
by David Nolden, mentored by Hamish Gordon Rodda
by Aliona Kuznetsova, mentored by Carsten Niehaus
by Patrick Spendrin, mentored by Torsten Rahn
by Urs Wolfer, mentored by Allan Sandfeld Jensen
by Rob Scheepmaker, mentored by Aaron Seigo
by Erlend Hamberg, mentored by Christoph Cullmann
by Naomi Fox, mentored by Marcus D. Hanwell
by Chani Armitage, mentored by Sebastian Kügler
by Aike Jan Sommer, mentored by Aaron Seigo
by Szymon Tomasz Stefanek, mentored by Thomas McGuire
by Andreas Christian Hartmetz, mentored by David Faure
by Vyacheslav Tokarev, mentored by Maksim Orlovich
by Marijn Kruisselbrink, mentored by Adriaan de Groot
by Aleix Pol Gonzalez, mentored by Matt Rogers
by Benjamin Richard Cail, mentored by Boudewijn Rempt
by Joseph Burns, mentored by Riccardo Iaconelli
by Lisbeth Probst, mentored by Vladimir Kuznetsov
by Shashank Singh, mentored by Torsten Rahn
by Dmitry Ivanov, mentored by Frank Osterfeld
by Akarsh Simha, mentored by Jason Harris
by Manuel Breugelmans, mentored by Andreas Pakulat
by David Capel, mentored by Jeremy Paul Whiting
by Avgoustinos Kadis, mentored by Frederik Gladhorn
by Evgeniy Ivanov, mentored by Oleksandr Dymo
by Igor Trindade Oliveira, mentored by Kevin Krammer
by Cláudio da Silveira Pinheiro, mentored by Matthias Kretz
by Gregory A Haynes, mentored by Andreas Ramm
by Martin Graesslin, mentored by Lubos Lunak
by A. H. J. Broeksema, mentored by Jason Kasper
by Gopala Krishna A, mentored by Jonathan Riddell
by Ningyu Shi, mentored by Anthony Livingston Bryan
by Gross David, mentored by George Wright
by Detlev Casanova, mentored by Olivier Goffart
by Daniel Winter, mentored by Sebastian Trueg
by Pino Toscano, mentored by Albert Astals Cid