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Flaresignal-cli
Free

Free and open source under the AGPL-3.0 licence.

 Free

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

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

Checked October 1, 2026

Checked September 22, 2026

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