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

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 …

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

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

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

Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. For AI-enabled organizations, Mattermost offers the Intelligent Mission …

One platform for secure communications, collaboration, and workflow orchestration across your tools and teams. Stay aligned. All the time.

The Mattermost webapp is licensed under the Apache 2.0 license. To modify and use with the Mattermost server, you can: Install the Mattermost server by following one of our installation guides …

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

Tip Mattermost notification settings labeled as Desktop also configure your web-based notifications when using Mattermost in a web browser.