Cerulean Studios - (Free)
Supporting multiple messaging tools on its interface, Trillian became a favorite among the users that need to communicate with people from different network.
Trillian is an instant multi-protocol messaging client. It helps user to complete setting up his account and profile, and supports most protocols: Astra, Windows Live Messenger, Yahoo!, Google Talk, ICQ, AOL Messenger, Facebook, MySpaceIM, Skype, Jabber, Twitter, Hello and the POP3 and IMAP accounts.
Multiple skins and themes are at users disposal as well as all conventional instant messaging tools. This way the user can consolidate all his contacts, regardless of their communication network.
The strength of Trillian is to integrate into a single interface all contacts. To recognize their origin, a small logo of the network from which each is connected can be found. In advanced mode, user can even connect to all networks simultaneously.
Like most messaging tools, the user can initiate discussions vocal line with his interlocutor. By connecting a webcam, user can activate the video chat, the software supporting videoconferencing of discussing with several contacts at the same time.