Skip to content
EN

Software · Internet & communication

Signal Desktop

Signal Desktop is a messaging program, available on Windows, macOS, Linux, Android and iOS.

  • Completely free
  • Windows, macOS, Linux, Android and iOS
  • Open source

At a glance

Signal Desktop is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (AGPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

To use the Signal desktop app, Signal must first be installed on your phone. Millions of people use Signal every day for free and instantaneous communication anywhere in the world. Send and receive high-fidelity messages, participate in HD voice/video calls, and explore a growing set of new features that help you stay connected. Signal’s advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you. Signal is an independent 501c3 nonprofit. The complete source code for the Signal clients and the Signal server is available on GitHub. This flatpak is maintained by the Flathub community, and is not necessarily endorsed or officially maintained by the upstream developers.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Homebrew (platforms) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Winget (Windows Package Manager) (platforms, version) —
  • Facts collected from Wikidata (licence, platforms) —
  • Last technical check: 5 November 2026
  • Description from Flathub — AppStream (Flathub)

How listings are built →

Do you develop Signal Desktop?

Correct this listing with the report form, or cite it with this optional badge (it shows the verified free status and changes nothing in the ranking):

<a href="https://licitpro.fr/en/resource/signal-desktop"><img src="https://licitpro.fr/badge/signal-desktop.svg?l=en" alt="Listed on LicitPro" height="20"></a>

Developers and publishers →

In the same category

Discord

Software

Discord is a voice and video calling program, available on Windows and Linux: screen sharing.

Limited free planWinLinux

Telegram Desktop

Software · Open source

Telegram Desktop is a messaging program, available on Windows, macOS, Linux, Android and iOS: end-to-end encryption.

Completely freeWinMacLinuxAndroidiOS

qBittorrent

Software · Open source

qBittorrent is a download manager, available on Windows and Linux: casting to other devices (Chromecast, DLNA…).

Completely freeWinLinux

Zen

Software · Open source

Zen is a web browser, available on macOS and Linux: split view.

Completely freeMacLinux

Tor Browser Launcher

Software · Open source

A program to help you download, keep updated, and run Tor Browser.

Completely freeMacLinux

Vesktop

Software · Open source

Vesktop is a messaging program, available on Windows, macOS and Linux: screen sharing.

Completely freeWinMacLinux