Web Im Websites
Talk to your friends on any IM network and join the imo network to make new friends. Use imo on the web or your mobile device to connect with your friends on...
iJab is a popular open source web im, it's based on XMPP protocol.'
Karoo Lark, a free web messenger, provides online instant messaging services for Google Talk, Windows Live Messenger, Yahoo! Messenger, Facebook Chat and AOL Instant Messenger.
AirAIM, the only web messenger that lets you access AIM from absolutely anywhere.