Ricochet: An encrypted, anonymous IM client built on Tor hidden services
Reminds me a lot of the Tox project, a peer-to-peer encrypted skype/IRC/IM replacement: <a href="https://github.com/irungentoo/toxcore" rel="nofollow">https://github.com/irungentoo/toxcore</a> Tox optionally supports Tor: <a href="https://wiki.tox.im/Tox_over_Tor_%28ToT%29" rel="nofollow">https://wiki.tox.im/Tox_over_Tor_%28ToT%29</a>