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signal-cliFlare
Free

The open-source software is available without a license fee. Hosting, hardware and…

 Free

Free and open source under the AGPL-3.0 licence.

Windows, macOS, Linux, Command line Linux
  • Provides a daemon interface for notification integrations.
  • Native Linux alternative to the official Signal desktop app
  • Open source under the AGPL
  • Requires a registered or linked Signal account.
  • Unofficial and not supported by Signal
  • Fewer features than the official Signal applications
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: AGPL-3.0
Not stated if an account is needed Account needed
Not stated if it works offline Needs internet

Checked September 22, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.