Trillian is a free fully featured, stand-alone, skinnable chat client that supports chatting on Windows Live, Facebook, Yahoo, MySpace, AIM, Email, Google Talk, Skype, ICQ, Jabber, IRC, Bonjour and others. It also helps manage your social networks such as Facebook and Twitter. Trillian provides capabilities not possible with most original network clients, while supporting standard features such as audio and video chat, file transfers, group chats, buzzing, tabbed chats, tablet-based drawing, message history, plugins, avatars, multiple simultaneous connections to the same network, typing notifications, proxy support, and encrypted messaging.
What's new in this version:
Version 5 adds a beautiful new interface, vastly improved social integration, cloud-based chat history, and a "continuous client" feature that keeps you synchronized between different mobile and desktop devices. Trillian is also now available on iPhone, Mac, Android, BlackBerry and Web!