Free Download Trillian Pro 6.0 for Windows PC is a fully featured, stand-alone, Skinnable Chat Client that supports AIM, ICQ, MSN, Yahoo Messenger, and IRC. 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, Privacy Settings.