Bring your tools, people, and processes together. Mattermost is a secure collaboration platform that is open, flexible, and deeply integrated with the tools you love.

- Channels: All of your team's communication in one place. Persistent channels and 1:1 group messaging, meeting, and file sharing works seamlessly across web, desktop, and mobile so you can stay connected, wherever you are.
- Boards: Align on the work that matters. Ship on time, every time, with a project and task management solution built for digital operations.
- Playbooks: Move faster and make fewer mistakes with checklists, automation, and tool integrations that power your team’s workflows.
- Integrations: Mattermost Channels allows developers to interface directly with third-party developer tools and use CLI-style commands, automation, and integrations to help you reduce context switching and stay in the flow.

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Join our open source community and contribute: https://github.com/mattermost/desktop

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Server v6.3.0+ is required. Support for server Extended Support Release (ESR) 5.37 has ended and upgrading to server ESR v6.3.0 or later is required.