Thunderbird
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Kadu is an open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, *BSD, Mac and Windows.
Kadu is an open source Jabber/XMPP and GaduGadu instant messenger client for Linux, *BSD, Mac and Windows.
instant-messaging im-client jabber jabber-clients xmpp xmpp-clients gadu-gadu
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
Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at once and more.
Free Windows Android iPhone Android Tablet iPad Web Blackberry Apple Watch
miranda new generation is a successor of a popular multi-protocol instant messaging client for windows - miranda im . very light on system resources and extremely fast.
Free Open Source Windows
A simple & beautiful app for Facebook Messenger. Chat without distractions on any Operating System.
Free Open Source Mac OS X Windows Linux
Messenger Lite is a fast and data-efficient messaging app to reach the people in your life. Installs quickly. It's less than 10MB to install, saving storage space...
Free Android Android Tablet
Swift is an elegant, secure, adaptable and intuitive XMPP client, with features that make it suitable for a wide range of use scenarios.
Free Open Source Mac OS X Windows Linux