ShortTalks allows you to exchange text messages by means of SMS (through a cell phone connected to your computer) or email letters.
Conferences are supported and you can keep a log of sent and received messages, settings for SMS messages and settings for visual preferences.
You can now start video chats right from within Gmail and we'll show you how in this tutorial! view it
Windows Live Messenger gives you a way to chat with your friends online. view it
Here we show you how to chat with members from your groups and how to change whether you're visible to certain groups. view it
Use Yahoo Messenger to connect with family and friends from anywhere view it
Chat and connect with friends in Windows Live Messenger view it