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.
Station
Freemium
Station is an opensource app aggregator and browser.
Digsby
Open Source
Digsby provides you with IM, email and Social networks in one easy to use application.
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.
