Trillian Astra Pro 4.1

Trillian Astra Pro is
a fully featured, stand-alone, skinnable chat client that supports AIM,
ICQ, MSN, Yahoo Messenger, and IRC. It provides capabilities not
possible with original network clients, while supporting standard
features such as audio chat, file transfers, group chats, chat rooms,
buddy icons, multiple simultaneous connections to the same network,
server-side contact importing, typing notification, direct connection
(AIM), proxy support, encrypted messaging (AIM/ICQ), SMS support, and
privacy settings.