Trillian is a proprietary multiprotocol instant messaging application for Windows created by Cerulean Studios that can connect to multiple IM services, such as AIM, ICQ, Windows Live Messenger, Yahoo! Messenger, IRC, Novell GroupWise Messenger, Bonjour, Jabber, and Skype networks.
Next version of Trillian, which is to be called "Trillian Astra". The name for version 4, Astra, is the nickname used by the same fictional character that is the namesake of the software. The new release claimed to be faster and include a new login screen.