Trillian is a fully featured, stand-alone, skinnable chat client that supports AIM, ICQ, MSN, Yahoo Messenger, and IRC. It provides capabilities not possible with original network clients, while supporting standard features such as audio chat, file transfers, group chats, chat rooms, buddy icons, multiple simultaneous connections to the same network, server-side contact importing, typing notification, direct connection (AIM), proxy support, encrypted messaging (AIM/ICQ), SMS support, and privacy settings.

QIP is a program for online communication. It's one of the most popular instant messengers. It is used by many thousands of users. QIP supports OSCAR (ICQ), XMPP (Jabber), Gtalk (Jabber), LiveJournal (Jabber), Mail.Ru Agent, IRC ? XIMSS (SIP), Twitter, Facebook, Vkontakte. QIP is for instant message delivery and feedback. Messages from different people in one window. No advertisement during the communication. New opportunities appear constantly. Large set of skins. Fast and light.