Projects

Pidgin

Pidgin is an instant messaging program for Windows, Linux, BSD, and other Unixes. You can talk to your friends using AIM, ICQ, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, and Zephyr. Pidgin can log in to multiple ... [More] accounts on multiple IM networks simultaneously. This means that you can be chatting with friends on AIM, talking to a friend on Yahoo Messenger, and sitting in an IRC channel all at the same time. Pidgin supports many features of the various networks, such as file transfer, away messages, and typing notification. It also goes beyond that and provides many unique features. [Previously known as "Gaim".] [Less]

Kopete IM Client (KDE)

claimed by KDE

Kopete is a flexible and extendable multiple protocol instant messaging system designed as a plugin-based system. All protocols are plugins and allow modular installation, configuration, and usage without the main application knowing anything about the plugin being loaded. The goal of Kopete is to ... [More] provide users with a standard and easy to use interface between all of their instant messaging systems, but at the same time also providing developers with the ease of writing plugins to support a new protocol. The core Kopete development team provides a handful of plugins that most users can use, in addition to templates for new developers to base a plugin on. [Less]

Psi

Psi is a leading instant messaging / real-time communications client for the Jabber network (using the XMPP protocol). It is cross platform, available for Windows, Mac OS X and X11 (Linux, BSD, Solaris etc.) platforms. It uses the Qt library. It aims to be (and is famous for being) standards ... [More] compliant and stable. It is also at the cutting edge of XMPP development, with several of the authors very actively involved in the XMPP standards extension process. [Less]

Empathy

Empathy consists of a rich set of reusable instant messaging widgets, and a GNOME client using those widgets. It uses Telepathy and Nokia's Mission Control, and reuses Gossip's UI. The main goal is to permit desktop integration by providing libempathy and libempathy-gtk libraries. ... [More] libempathy-gtk is a set of powerful widgets that can be embeded into any GNOME application. [Less]

emesene

emesene is a platform independent instant messaging client for the Windows Live Messenger (tm) network. emesene is distributed free of charge under the GNU General Public License 2 or any later version. emesene most interesting features are: * Clean and easy to use Interface? with no ... [More] ads * File transfers (almost done) * Custom emoticons sending/receiving/stealing * Tabbed chatting * Multilingual interface * Great customization * Plugins support * Messenger Plus! formatting tags support * Powerful Chat logging * All the other basic Windows Live Messenger features [Less]

Coccinella

Coccinella is a free and open-source cross-platform communication tool with a built-in whiteboard for improved collaboration with other people.

ayttm

Ayttm is an open source, multi-protocol instant messenger. It is built using C and Gtk-2 and works across multiple platforms.

XMPP.NET

This project is now called Ubiety and is being tracked on a different page.

Funpidgin

Funpidgin is a fork of the popular open source client Pidgin which allows instant messaging with over twenty different protocols.

OneTeam Desktop

OneTeam desktop is a nice, featureful XMPP client. It has unique and advanced features such as visual roster, conversation threading, command line, history browsing, remote debugging, correction, Nigle voice calls, and Jingle Relay Nodes. Released under MPL 1.1 and GPL 2.0, it is based on the ... [More] Mozilla Gecko platform and is available as a Firefox extention, or a standalone client for Mac OS X, Linux, and Windows. [Less]