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Software · Internet & communication

Sable

Sable is a messaging program, available on Linux: themes and dark mode, end-to-end encryption.

  • Completely free
  • Linux
  • Open source

Overview

Sable is a messaging program, available on Linux.

Features described in its Flathub listing and on its official website: themes and dark mode, end-to-end encryption.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Sable is a libre Matrix chat client for web, desktop and mobile, with calls, personas, threads and custom themes.” — official website, 10 November 2026
  • “Sable is a libre Matrix chat client for web, desktop and mobile, with calls, personas, threads and custom themes.” — official website, 10 November 2026
  • “Sable is a Matrix client for desktop, with end-to-end encrypted messaging, spaces, threads, and voice and video calls.” — Flathub, 10 November 2026

At a glance

Sable 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

Sable is a Matrix client for desktop, with end-to-end encrypted messaging, spaces, threads, and voice and video calls. Features: End-to-end encryption with cross-signing and key backup Spaces, threads, and replies Voice and video calls Custom themes

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Last technical check: 6 November 2026
  • Description from Flathub — AppStream (Flathub)

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