The creators of the Tor network have launched software that allows users of many different chat programs or channels through one simple encrypted chat program. Tor Messenger as the chat program is called, sends messages over the Tor network.
It thereby supports different transport networks like Jabber (XMPP), IRC, Google Talk, Facebook Chat, Twitter, Yahoo, and other networks. In addition, Off-the-Record (OTR) Messaging by default. This makes the messages are encrypted and users can check that the person with whom they chat actually the person he or she claims to be. Furthermore OTR also adds perfect forward secrecy, and "deniability" so that it can be denied that the user has sent an IM message.
Tor Messenger or uses existing networks so that users with existing contacts and without much adaptation can continue chatting. This approach means that metadata can be stored by the server of the chat network. However, the route to the server is hidden, as it runs over the Tor network. The version launched today is a test version and is available for Linux, Mac and Windows.
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