OStatic

This is free Internet telephony that allows you to call other people on their computers or phones. It uses peer-to-peer technology to connect you with...

Centericq is a text mode menu- and window-driven instant messaging interface that supports the ICQ, Yahoo!, AIM, MSN, IRC, Jabber, LiveJournal, and Ga...

WebHuddle is an open source application for web conferencing and video conferencing.

The Open-Xchange Collaboration and Integration Server Environment allows you to store appointments, contacts, tasks, email messages, bookmarks, docume...

Ekiga (formerly called GnomeMeeting) is a free and open source VoIP and video conferencing application for GNOME and Windows. Ekiga supports both the ...

Zimbra Collaboration Suite (ZCS) is a groupware product created by Zimbra Inc., located in San Mateo, California, USA. The company was bought by Yaho...

FUDforum is templatable forum with i18n support based on PHP and either MySQL or PostgreSQL. It features a user/group management system, a multi-lingu...

Coccinella is an instant messaging client for the Extensible Messaging and Presence Protocol (XMPP). Mats Bengtsson released in 1999 the first version...

x11vnc is a program that allows one to remotely view and interact with real X displays (i.e. a display corresponding to a physical monitor, keyboar...

The GNU Gatekeeper (GnuGk) is a full featured H.323 gatekeeper under GPL license. It includes Radius and database support and many VOIP routing functi...