Camfrog Video Chat allows you to join real streaming video chat rooms where you can hear, see, and chat with many people at a time.

IceChat is a Multi-Server, scriptable, and fully customizable IRC Client

 Skype enables you to talk, make video & conference calls, send instant message, and quickly transfer files – all at no cost to over 380 million other Skype users around the world!

Universal instant messenger client for AIM, ICQ, MSN, IRC, Yahoo, and Jabber.

A multi protocol instant messenger client for Windows.

Call your friends' PC/mobile/landline phones, video conversation with webcam.

Free videochat rooms and webcam community.

Enable you to make free calls anywhere in the world.

All of your Gmail contacts, Video previews in chat, Photo previews in chat.

An instant messaging, email notification and social networking tool.