The Leading Open Source Communication Hub | Community Version
A free and reliable P2P BitTorrent client
MBSE BBS is a full FTN-capable ANSI BBS and mailer package.
A universal instant messaging (IM) program
Ham Radio Digital Modem Application
You can message and share files inside your intranet without a server.
Document Management System and Content Management System
Psi+ Project — development branch of Psi XMPP client
Search, Download, Play, Share on Bittorrent and the cloud
A free course management system (CMS) to create online learning sites
Powerful Open Source Email Marketing app with analytics & segmentation
Open Source Document Management System
To-do manager, notepad, RSS reader...
Play music online. With friends. For free.
VICIdial Contact Center Suite
forma.lms is a Learning Management System (LMS), opensource lms
A GTK+ Gnutella client, optimized for speed and scalability
A GNU/Linux operating system accessible for visually impaired.
A P2P filesharing client which connects to the Gnutella network.
UFONet - Denial of Service Toolkit