Кратко: Complete Messenger is the All-in-One messaging solution.
Complete Messenger is a FREE instant messenger designed to support all currently available messaging protocols. With its convenient interface you don’t need to setup several applications to chat with friends using different Instant Messengers – Complete Messenger is the All-in-One messaging solution for you. Complete Messenger supports following popular protocols: Oscar(ICQ protocol), MSN, AOL,IRC, Yahoo, Jabber;
Very intuitive interface and settings allows you to setup all your different Instant Messenger accounts in a few minutes and then you can start chatting with all your friends easily and conveniently.