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

Native mobile and desktop apps In addition to the web interface, you can also download Mattermost clients for Android, iOS, Windows PC, macOS, and Linux.

Mattermost Client This package contains the JavaScript/TypeScript client for Mattermost. It's used by the Mattermost web app and related projects.

The Mattermost web app is written in JavaScript using React and Redux.

Access your Mattermost instance with your credentials using a web browser, the desktop app, or the mobile app for iOS or Android. Depending on how Mattermost is configured, you’ll log in …

Mattermost Web App This folder contains the client code for the Mattermost web app. It's broken up into multiple packages each of which either contains an area of the app (such as …

In mission-critical environments, failure is not an option. Mattermost ensures adaptable, focused, resilient collaboration– keeping your teams connected when the mission is on the line.

Learn about customizations to the Mattermost Web App that can be performed when you need to customized branding, functionality or security.

Dec 16, 2025 · Learn how to download and install Mattermost on your own infrastructure for flexible and trusted secure collaboration

Desktop ¶ The Mattermost desktop app is available for Linux, Mac, and Windows operating systems. The Desktop App supports all the features of the web experience. Desktop users can …