Private Messenger

Social Networking
brew cask install signal
communication privacy security messenger messaging p2p
Latest Release
v0.46.4 (v0.46.4)

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.

  • Windows: First, download this yml file: In it, you'll find a url property which will specify the installer location. Download the installer by constructing the final url:<installer location>. Then run the installer.
  • Mac: First, download this yml file: In it, you find a url property which will specify the package location. Download that package by constructing the final url:<package locatdion>. Then unzip that package and copy the .app file into /Applications in Finder.
  • Linux: same instructions as the production install steps linked above, but run apt-get install signal-desktop-beta instead

Got a question?

You can find answers to a number of frequently asked questions on our support site: The community forum is 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 2014-2018 Open Whisper Systems

Licensed under the GPLv3:


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