Thunderbird
Open Source
Thunderbird is a open source mail client developed and maintained by Mozilla foundation.
Miranda IM
Open Source
Miranda IM is an open source multiprotocol instant messaging application, designed for Microsoft Windows.
Franz
Free
Franz is a free messaging app /former emperor of Austria, that combines chat & messaging services into one application.
Psi+
Open Source
Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users. Psi+ is a development branch of Psi IM XMPP/Jabber client.
Disa
Open Source
Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.
Digsby
Open Source
Digsby provides you with IM, email and Social networks in one easy to use application.
Empathy
Open Source
Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication ov…
Station
Freemium
Station is an opensource app aggregator and browser.
Finch
Open Source
Finch is a console-based IM program that lets you sign on to AIM, Jabber, MSN, Yahoo!, and other IM networks. It runs on Unixes. It uses GLib and ncurses.
