
Thunderbird
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Sim-IM, Simple Instant Messenger, is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. Sim-IM supports Jabber/XMPP, Google Talk, ICQ and AIM (Oscar), Yahoo! Messenger and Microsoft Messenger (MSN) protocols.
SimIM, Simple Instant Messenger, is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. SimIM supports Jabber/XMPP, Google Talk, ICQ and AIM (Oscar), Yahoo! Messenger and Microsoft Messenger (MSN)protocols. SimIM is a free software, licensed under the GNU General Public License (GPL). SimIM is based on the Qt library, and can be built with KDEsupport option.
Productivity Social Online Services Web Browsers
instant-messaging Discontinued icq jabber jabber-clients multi-protocol xmpp google-talk xmpp-clients msn yahoo
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Free Open Source Windows Linux BSD Mac Haiku
Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols.
Free Open Source Windows
instantbird is an instant messaging client based on mozilla xulrunner and the open source library libpurple created by the software developers of pidgin .
Free Open Source Mac OS X Windows Linux
QIP Infium is a multiprotocol instant messaging client. It supports ICQ (OSCAR), Jabber (XMPP), Mail.ru Agnet (MRA), IRC, XIMSS, SIP, Twitter, Facebook and other.
Free Windows iPhone S60