Download Mattermost mobile and desktop apps and connect to an existing Mattermost server. Or deploy Mattermost on your own server.

Stay connected and collaborate securely with the Mattermost Desktop Client for Windows. Designed for modern teams, Mattermost empowers you to manage mission-critical work with confidence. Whether …

Mattermost Desktop application for Windows, Mac and Linux - mattermost/desktop

Jan 20, 2026 · Download Mattermost Desktop 6.0.4 - Make sure you can communicate with all the teams you are working with on various projects in real-time using this software solution

Download and install the Mattermost desktop app for macOS from the App Store, for Windows from the Microsoft Store, or by using a package manager (Linux). When new desktop app releases become …

Jan 29, 2026 · Summary Files Reviews Download Latest Version v5.13.4 (2026-01-29) source code.zip (4.5 MB) Get an email when there's a new version of Mattermost Desktop Home

Mar 23, 2021 · High trust collaboration for your enterprise. Mattermost is an open source collaboration tool for developers.

Download Mattermost by Mattermost, Inc. on the App Store. See screenshots, ratings and reviews, user tips, and more games like Mattermost.

Jan 16, 2026 · Learn how to download and install Mattermost on your own infrastructure for flexible and trusted secure collaboration

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.. - mattermost/mattermost