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Software · Internet & communication

mesh-talk

🔐 Local-first, decentralized desktop messenger with end-to-end encrypted chat and file sharing. Works offline on your LAN and across reachable networks, with optional peer-operated relays.

  • Completely free
  • Open source
  • No account

Overview

mesh-talk is a messaging program.

Features described in its GitHub repository and on its official website: offline use, end-to-end encryption, file sharing, data encryption and attachments.

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
  • “🔐 Local-first, decentralized desktop messenger with end-to-end encrypted chat and file sharing.” — GitHub, 10 November 2026
  • “🔐 Local-first, decentralized desktop messenger with end-to-end encrypted chat and file sharing.” — GitHub, 10 November 2026
  • “🔐 Local-first, decentralized desktop messenger with end-to-end encrypted chat and file sharing.” — GitHub, 10 November 2026
  • “🔐 Local-first, decentralized desktop messenger with end-to-end encrypted chat and file sharing.” — GitHub, 10 November 2026
  • “Discover peers on a LAN and exchange end-to-end-encrypted messages and files without a cloud account, internet connection or central messaging server.” — GitHub, 10 November 2026
  • “Choose which history, file cards and attachment contents synchronize over reachable device-to-device paths.” — official website, 10 November 2026

At a glance

All of mesh-talk is free: no feature is locked behind a paid plan, and its code is open.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 8 November 2026
  • Description from github.com — Dépôt GitHub OctopusGarage/mesh-talk (MIT)

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