Thunderbird 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 Mac Windows Linux BSD PortableApps.com ... Haiku Extensible by Plugins/Extensions Built-in RSS reader Calendar integration Customizable ... Extensible by Plugins/Extensions Extensible by Plugins/Extensions Free API Import from Google Reader Integrated Chat Integrated Web Browser Multiple Account support Export to OPML Import feeds from OPML POP3 Support Portable Tabbed interface Add a feature 1739 Like
HexChat HexChat is an IRC client based on XChat for Linux , but unlike XChat it’s completely free for both Windows and Unix-like systems. HexChat was... Free Open Source Windows Linux BSD PortableApps.com Xfce ... MacPorts XQuartz Portable Add a feature 173 Like
Colloquy Traditionally, chat clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC, SILC & ICB client which aims to fill this void. By adhering to... Free Open Source Mac OS X No features added Add a feature 35 Like
