QIP Infium is an online chat program that allows you to chat multiple accounts simultaneously with accounts of ICQ, Google Talk, Mail.Ru, .
Looking at the interface of QIP, you can see that it is quite similar to ICQ. Its usage is the same, you create a free account, then add the nick of the chat service you use and use it to chat with others. If you already use an online chat program like Yahoo! Messenger, MSN, or ICQ, you will easily use it.