Jabber.com, Inc Provider of custom Jabber client/server solutions for corporations. Major funder of the Jabber.org project and author of the JabberIM windows client. http://www.jabber.com/

WinJab Windows Jabber client that is under the GPL. http://winjab.sourceforge.net/

Gabber A robust and premiere GNOME Jabber client. Written in C++ using GTK+, Gnome and the Jabberoo C++ Jabber client library. http://gabber.sourceforge.net/

Jabber Software Foundation The Jabber Software Foundation (JSF) is a not-for-profit membership organization. The Organization oversees the general development of XMPP protocol and maintains Jabber Enhancement Proposals. http://www.jabber.org/

JabberBeans Standalone Java Jabber client application and applet which aims to create a base layer for applications to be "Jabberised" quickly and easily. http://jabberbeans.sourceforge.net/

Jarl Jarl is a Perl/Tk feature-packed, cross-platform Jabber client that runs on all major platforms. http://jarl.sourceforge.net/

JeweL Jabber client written with Perl/GTK+ using the Net::Jabber perl modules. http://jewel.sourceforge.net/

MacJLib A Macintosh C++ library for communicating with the Jabber server. Covered under the LGPL. With current or planned support for OS 7.x, OS 8, 9 and OS X. http://macjlib.sourceforge.net/

Jabbernaut A Macintosh Jabber client based on MacJLib. http://jabbernaut.sourceforge.net

Fun with Jabber Introductory examples to programming with Jabber. http://www.pipetree.com/jabber/

NewtJab A Jabber client for the Apple Newton. http://newton.guhl.net/newton/newtjabber/

Kaivo Jabber Training Kaivo offers several training courses for aspiring Jabber client developers. http://www.kaivo.com/Kaivo/jabberSplash

Theoretic Solutions One of the 3 major public Jabber servers. Alongside with the Jabber services, the site works as a development status tracker for many new additions to the protocol http://theoretic.com/

Enigma squared A very feature rich Jabber client written in java. It offers unique new views to what Jabber is actually capable of. http://complat.sourceforge.net/

Java Jabber Server Java Jabber Server is an open-source implementation of Jabber protocol. The purpose of the project is to produce a fast, simple, and highly efficient server with high modularisation. http://javajabber.net

Rival Messenger A Jabber client that aims to provide simple and usable interface for messaging via jabber. http://rival.chote.net/

Psi Homepage Psi is a multi platform client currently available for Windows, Linux and Mac. It mimics the looks of Licq. http://psi.affinix.com/

Jabberzilla Jabber client for Mozilla, written with XUL and Javascript languages. http://jabberzilla.mozdev.org/

JabberStudio JabberStudio works as a development hub for the jabber community, many of the jabber client and agent projects are hosted here. http://www.jabberstudio.org

Tipic instant messaging platform TIMP is a commercial Jabber server offering integration to LDAP / Active directory and MS Exchange. http://www.tipic.com/