Trillian.cc is the official website of Trillian, an instant messenger created by a software company called Cerulean Studios. This American studio, based in Connecticut, was founded in 1998, and Trillian is their flag ship product. At their website you can learn more about them, as well as Trillian. This instant messenger supports AIM, ICQ, MSN, YAHOO, and IRC and provides client with all the features of those like audio chat, file transfers, group chats, chat rooms, buddy icons, and more. Here you can learn everything about this product and download its latest version. Downloads are free, and no membership or registration is required. A professional version is also available here, which costs only 25 US dollars; there is also available a free trial version of this program. Finally, you can access here to their support team; paid clients get a more personalized and prioritized service. Anyway, all their guides and frequently asked questions are free.