Open source Jabber-based instant messenger written in Java that adds customisable graphical metaphors for presence.

Full-featured, cross-platform instant messaging client which requires no software installation, running entirely from a web browser.

Jabber/XMPP client on Palm OS platform. Supports transports and real-time news via RSS feeds.

A client with whiteboard communication. Windows, Mac and Unix/Linux support.

Java2 compliant client featuring plugins and focusing on user friendliness and ease-to-use.

Freetalk is an extensible console client.

Open source client based on Eclipse RCP which can also be used as an Eclipse Plugin.

A client that is developed as a successor to winjab, it aims to be a end user client with a smaller interface.

Open source ajax-based jabber web client entirely written in Javascript. Includes screenshots and an online demonstration.

A robust and premiere GNOME Jabber client. Written in C++ using GTK+, Gnome and the Jabberoo C++ Jabber client library.