Thousands of open source projects hosted. offering access to CVS, mailing lists, bug tracking and message boards/forums.

Home of the GNU operating system, the GNU General Public License, and the Free Software Foundation. The Open Source Movement branched off from the Free Software Movement in 1998. The Linux kernel is normally used together with GNU.

Software community aiming to develop component-based middleware for large scale distributed systems.

Open Source, standards-compliant, Enterprise JavaBeans application server. (Java)

Legend of the Green Dragon is a remake of the classic BBS Door game, Legend of the Red Dragon (aka LoRD) by Seth Able Robinson. Written in PHP, using a MySQL backend, the game`s source code is licensed under the GNU GPL.

The official homepage for XEmacs: The next generation of Emacs. Its emphasis is on GUI support and an open software development model. Sections on: About XEmacs, Getting, Customizing, Troubleshooting, and Developing.

Web applications including webmail. (mainly PHP)

The FlightGear flight simulator project is an open-source, multi-platform, cooperative flight simulator development project. Source code for the entire project is available. (OpenGL)[OS Independent]

A webmail system designed to manage very large mail folder files in a memory efficient way. (Perl) [GNU/Linux, Unix]

This wiki tries to collect the knowledge of the Emacs community to serve as a source of answers for all kind of questions concerning Emacs.

Multi-lingual photo gallery suite. (PHP) [OS Independent]

The project provides various GNU tools and software for Win32.

A MSN Messenger clone for Linux. FAQ, software download, translation resource and Spanish site translation. (Tcl/Tk) [Linux, Windows, Macintosh]

A software platform for distributed computing using volunteer computer resources.

Official Free Software Foundation page for the extensible, customizable, self-documenting real-time display editor.

A tool and a library (usable from many languages) for client-side URL transfers, supporting FTP, FTPS, HTTP, HTTPS, GOPHER, TELNET, DICT, FILE and LDAP. (C) [GNU/Linux, Unix, Windows, VMS, RISC OS, OS/2]

Provides developers with a place to upload, meet, share, exchange ideas & codes, software & games, build, improve, bug-fix, read, redistribute, and modify the source code of contributions submitted to the site. (C/C++/VC++,Delphi,Pascal,Visual Basic,

Message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.

A compatible, more secure replacement for sendmail program, which transfers mail over the internet. (C) [GNU/Linux, Unix]

Ccross platform 3D software solution from modeling, animation, rendering and post-production to interactive creation and playback.

The standard window manager for linux, stable but not as pretty as Window Maker or Enlightenment.