Project Description

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.

System Requirements

To use Simphone, you need:
* A computer running Microsoft Windows (version 7 or later or XP), Mac OS (version 10.6 or later), GNU/Linux, FreeBSD or another unix-like operating system;
* A working audio device (loudspeakers and microphone, preferably a good non-wireless headset);
* An internet connection (at least 128 kilobits/sec) that does not specifically restrict "peer to peer" connectivity.


On Windows (XP or version 7 or later), please extract simphone.exe by dragging it out of the downloaded .zip file and dropping it to your "Desktop" or any other convenient location and then click t... Show How to Install


Please read our short  User Manual. Show Usage


win32 Windows (Date: 2023-12-31, Size: 5.73 MB)
macosx Mac (Date: 2023-12-31, Size: 6.55 MB)
linux Linux (Date: 2023-12-31, Size: 6.90 MB)
unix_unknown UNIX simphone_installer.shar.gz (Date: 2023-12-31, Size: 19.95 MB)
source Source Code (Date: 2023-12-31, Size: 18.07 MB)

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