The world of instant messaging is crowded and becoming even more so. It began with ICQ (does anybody use it today?), which was closely followed by AIM, MSN Messenger and Yahoo Messenger . More ...

Yoomba, a Menlo Park-based company founded in Israel, lets you send and receive VoIP calls and instant messages from your existing e-mail service. It’s a download but requires no sign-up — and so ...

Web-based chat and IM company Meebo next month plans to launch a syndicated IM service in conjunction with about 35 partners, including movie site Flixster, Web media company Sugar Inc., and social ...

People trying to communicate across oppressive national firewalls could be interested in ScatterChat, a secure IM (instant messaging) application developed by an international group of hackers, human ...