Online Instant Messenger All- in- one: chat online with your friends that use MSN and Yahoo Messenger including Google Talk.you can chat with your friends log into all the IM networks from your browser.Meebo is an Ajax site that lets you chat online with your friends. If you are at a computer or public computer that doesn’t have Google talk,yahoo messenger or the other.if the firewall blocks them. Meebo can help you get in to connect with your friends.
but I know what you’re thinking: is it really secure? Meebo use 1024-bit RSA keys and decrypts them server-side using OpenSSL. So you can choose http://www.meebo.com/messenger