One of the internet's first instant messengers, that has evolved into a personal communications center: ICQ allows you to exchange files, chat, send SMS to many cellular networks around the world, send and check email, keep records of your messages, exchange web addresses and more. Highly configurable with many useful little features.
What's new in this version:
Improvements since version 3.2
Interoperability with AIM and iChat instant messengers. You can add users from those messengers to your Contact List and exchange instant messages with them. Better peer to peer connectivity: MacICQ now supports passive p2p connections for users behind firewalls. Users behind firewalls can now choose their listen port range. Auto-reconnect (available in the Connection panel of the Network and Security window). Users with...