Private Messenger

Category Social Networking
Keywords communication privacy security messenger messaging p2p
License GPL-3.0
Homebrew brew cask install signal
Latest Release v1.1.0 (v1.1.0)
Release Notes

Note: This release is equivalent to v1.1.0-beta.6. Listed below are the changes from the previous production release: v1.0.41

Update to electron 1.7.9 (#1736)

Support the latest phone number formats via libphonenumber update (#1899)

Reduce download size by ~25MB compared to the previous production build (#1869)

Emoji - thanks @liliakai:

  • Emoji picker (#1608)
  • Add support for Emoji 5 (#1797)


  • Windows 7: Use an alternate mechanism for notifications (#1812)
  • Prevent drawAttention() when notifications are turned off - thanks @canerelci! (#1612)


  • Support for current (artful) and previous (xenial) ubuntu versions (#1856)
  • Fix missing application icon on some Linux distributions (#1735)
  • Fix issue where window would not show new message alerts on some Linux systems - thanks @cornerman (#1820)
  • Add .deb specific dependencies - thanks @veggiedefender (#1858)

The default button is now 'later', not 'restart' in the 'update available' dialog (#1894)

Make the window minimum width a little smaller - thanks @emptyflask (#1863)

Intl-friendly sort order for contact lists (#1900)

Fix issue where update would restore deleted windows shortcut (#1804)

Fix issue where .tif file attachments could not be sent or received (#1901)

(in testing) Add a tray icon to the application behind command-line argument - thanks @m-pilia (#1676)

  • --use-tray-icon enables the tray icon
  • --start-in-tray enables the tray icon and the application starts minimized in the tray bar

(in testing) Support pass-through proxies with HTTPS_PROXY environment variable (#1878)


  • Display of environment and app instance in title bar/about window (#1606)
  • Support for beta releases installed beside production versions (#1606)
  • Fix json parsing exceptions obscuring server errors (#1605)
  • Be resilient to thrown non-errors in import process (#1737)

Build Status Signal Desktop

Signal Desktop is an Electron application that links with your Signal Android or Signal iOS app.

Install production version:

Install the beta

You can install it on a computer which already has the production version installed. It uses different data and install locations.

Got a question?

You can find a number of frequently asked questions here The discussion groups are another good place for questions:

Found a Bug? Have a feature request?

Please search the existing issues for your bug and create a new one if the issue is not yet tracked!

Contributing Translations

Interested in helping to translate Signal? Contribute here:

Contributing Code

Please see for setup instructions and contributor guidelines. And don't forget to sign the CLA.

Contributing Funds

You can donate to Signal development through the Freedom of the Press Foundation.

Cryptography Notice

This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See for more information.

The U.S. Government Department of Commerce, Bureau of Industry and Security (BIS), has classified this software as Export Commodity Control Number (ECCN) 5D002.C.1, which includes information security software using or performing cryptographic functions with asymmetric algorithms. The form and manner of this distribution makes it eligible for export under the License Exception ENC Technology Software Unrestricted (TSU) exception (see the BIS Export Administration Regulations, Section 740.13) for both object code and source code.


Copyright 2014-2017 Open Whisper Systems

Licensed under the GPLv3:

Something missing? Edit this app.