Mattermost is a secure, self-hostable collaboration platform that provides team messaging, file sharing, workflow orchestration, and integrations for software development and operations teams.
Mattermost is an open-source collaboration platform designed for technical and operational teams that require secure, reliable, and highly configurable communication. It centralizes messaging, workflows, and integrations into a single environment so teams can coordinate mission-critical work in real time. Built with security and control in mind, Mattermost can be deployed self-hosted or in the cloud to meet stringent compliance and data residency requirements.
Mattermost offers persistent team messaging organized into channels, threads, and direct messages, with support for file sharing, search, and rich formatting. Its Playbooks feature enables repeatable, documented workflows for incident response, release management, and other operational processes, including checklists, timelines, and status updates. The platform integrates with a wide range of developer and DevOps tools—such as Jira, GitLab, GitHub, Jenkins, PagerDuty, and Kubernetes—so alerts, build notifications, and deployment events flow directly into channels. Mattermost also supports bots, webhooks, and a robust API, allowing teams to build custom automations, connect AI infrastructure, and extend the platform to fit complex environments.
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