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Projeto Descrição

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

System requirement is not defined

Liberado: 2022-12-30 23:58
simphone 0.9.1 (5 files Esconder)

Release Notes

File transfer is now available:

  • an unlimited number of files of any size can be sent at any time
  • interrupted file transfers resume automatically from where they left off
  • sender and receiver can cancel, pause and resume files, or change the order of transfers
  • resource limits, maximal upload and download speed can be set if desired
  • download directory for received files can be chosen


version 0.9.1: file transfer


  • libraries: upgraded openssl, dht, speex and speexdsp
  • proto: incremented protocol version for more efficient sending of multiple messages
  • console: added an option to generate a key without using an audio device
  • main: added a warning message box if a file could not be renamed or erased
  • main: added an error message box on Rabin-Miller key validation failure
  • chatframe: changed the application of last message edit limit for better visual appearance
  • chatframe: place found message at the center of the window on successful find
  • chatframe: do not add a newline by default when copying from chat or console to clipboard
  • contactinfo: added deselection (similar to chatframe and transfers)
  • contacts: added message boxes on successful rename, delete and forget contact
  • settings: added a new checkbox and a button for enabling warning checkboxes to the window tab
  • settings: increased width of "invalid device" pop up dialog (support longer audio device names)
  • ui: position warning and error message boxes relative to the current or main window
  • ui: configurable colors of information, notice, warning and error messages

fixed bugs:

  • spth: avoid artificial audio packet loss when sending over TCP
  • msg: deleting multi-line chat messages under Windows
  • main: play "sent" sound on sent chat messages that have been received late
  • chatframe: receiving of message edit (single-line to multi-line) when window on focus
  • chatframe: deselection of multiple selected lines now works better
  • settings: "invalid device" dialog multiple pop up if audio device was neither set nor available
  • ui: do not display tabs in info lines and do not display tabs and newlines in nicknames