Mattermost Channels provides secure, channel-based messaging, voice & video chat, collaboration, and file sharing to keep teams connected, aligned, and productive.

Accelerate your mission critical workflow by integrating people, processes, tools and AI infrastructure on a resilient and adaptable platform.

Mattermost Product Documentation ¶ Mattermost’s purpose is to accelerate the world’s mission critical work by developing and delivering secure, open core collaboration software providing unrivaled …

The only collaboration solution built for mission-critical work Mattermost brings together full-featured messaging, deep integrations with best-of-breed technical tools, and powerful workflow automation …

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

Mattermost Channels enables secure, real-time and asynchronous communication across web, desktop, and mobile—powering mission-critical collaboration and Chat Operations (ChatOps) workflows …

End User Guide ¶ If you’re using Mattermost to connect and collaborate, build repeatable, automated processes, and making Mattermost match your work preferences, this Mattermost end user product …

Mattermost Plans ¶ ... See a complete list of features on the Mattermost website. Features with an asterisk (*) next to the check mark indicate rate usage limitation. See the Editions and Offerings page …

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

Using a web browser, the desktop app, or the mobile app, you can join a call or start a call, share your screen, raise your hand, react using emojis during a call, chat in a thread, and continue working in …