# Mattermost (open-source remote desktop app)

> Mattermost is a free, open-source remote desktop app for Linux. Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. It has 39,290 GitHub stars and is released under the AGPL-3.0 license. Its source code is on GitHub at mattermost/mattermost.

Mattermost is an open core, self-hosted collaboration platform that offers chat, workflow automation, voice calling, screen sharing, and AI integration. This repo is the primary source for core development on the Mattermost platform; it's written in Go and React, runs as a single Linux binary, and relies on PostgreSQL. A new compiled version is released under an MIT license every month on the 16th.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/mattermost/mattermost |
| Platforms | Linux |
| Interface | desktop GUI |
| GitHub stars | 39,290 |
| License | AGPL-3.0 (open source) |
| Replaces | n/a |
| Language | TypeScript |
| Website | https://mattermost.com |
| Official | yes (published by the project behind the app) |
| Category | Remote desktop & access |
| Latest release | v11.11.1 (Sep 24, 2026) |
| Last commit | Oct 7, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/mattermost/mattermost/releases) or website, or build it from source by following the README.

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