Simphone is a secure and private open source Instant Messenger.
* 256-bit end-to-end encryption for voice audio calls, file transfer and chat
* completely decentralized: no need to register anywhere
* zero-configuration, portable, fast, small and reliable
* can optionally work together with TOR to anonymize your IP address
No third party can look into your communication or block your access.
File transfer is now available:
improvements:
fixed bugs: