Below is a list of websites like Meebo / services like / similar to Meebo :
Meebo is a new communications and media company that's re-writing the way people have conversations and communicate on the Web. We provide instant messaging and group chat to over 35 million people at meebo.com and via partner sites across the Web.
At meebo.com, millions of people every month keep in touch with friends on an any IM network (AIM, Yahoo!, MSN, Google Talk and Gmail, ICQ and Jabber) and chat with people in Meebo Rooms. Meebo also enables live communication integrated into any website with Meebo Rooms, Meebo Community IM (coming soon!), and Meebo Me. Meebo is the Web's live communication platform - instant messaging from absolutely anywhere, no downloads or installs required, and free! .