Mattermost

Active

Secure Collaboration for Technical Teams

What it does

Mattermost provides secure collaboration for technical and operational teams that work in environments with complex nation-state level security and trust requirements. We serve technology, public sector, national defense and financial services industries with customers ranging from tech giants, to the world’s largest banks, to the U.S. Department of Defense and governmental agencies around the world. Our self-hosted and cloud offerings provide team messaging, file sharing, integrations, audio and screen share, workflow automation and project management on an open source platform deployed by the world’s most secure and mission critical organizations. We co-build the future of collaboration with over 4,000 open source project contributors who’ve provided over 30,000 code improvements towards our shared product vision, which is translated into 20 languages.

Its site says now · captured 2026-08-23

Mattermost | Collaboration Platform for Mission Critical Work

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

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