Simply put, Trillian is a multi-medium instant messaging client. Connect to ICQ®, AOL Instant Messenger®, MSN Messenger, Yahoo! Messenger and IRC in a single, sleek and slim interface. In reality, Trillian is much more than just a five-in-one instant messaging client! The whole interface is skinnable, allowing the user to change the appearence with hundreds of skins written in the revolutionary SkinXML language. Talk in confidence with 128-bit SecureIM encryption. Chat in style with sleek emoticons and emotisounds. Trillian Pro also has an all new plugins system that enables users to add mediums such as Jabber if you choose!
Trillian runs on 32-bit Windows platforms only.
Trillian is available in a free version and a Pro version.
1. 
Simply put, Trillian is a multi-medium instant messaging client. Connect to ICQ®, AOL Instant Messenger®, MSN Messenger, Yahoo! Messenger and IRC in a single, sleek and slim interface.