Mattermost is a secure collaboration platform designed for technical and operational teams working in environments with demanding security and trust requirements. Mattermost offers both self-hosted and cloud-based solutions, enabling organizations to manage team messaging, file sharing, workflow automation, project management, and integrations—all on an open source platform.
Mattermost primarily serves industries where security is paramount, including technology, public sector, national defense, and financial services. Its customers include tech giants, large global banks, the U.S. Department of Defense, and various governmental agencies worldwide. The platform is popular among organizations that require granular control over data residency and privacy, providing options for on-premises deployment and extensive open source customization.
Mattermost stands out through its open source development model, with over 4,000 contributors and more than 30,000 code improvements, making it highly adaptable to complex, mission-critical use cases. The platform is available in 20 languages, reflecting its global reach and community engagement.
What technology enables Mattermost?
Mattermost's technology stack is centered on open source software, which allows customers to inspect, modify, and deploy the platform to meet strict compliance and operational needs. Key features include:
- Self-hosted and private cloud deployment options
- End-to-end encrypted messaging and file sharing
- Integrated audio, screen sharing, and workflow automation
- Robust APIs and integrations with developer tools
- Project and task management features for technical teams
This architecture enables organizations to maintain control over sensitive communications and data, making Mattermost suitable for regulated or high-security environments.
Who uses Mattermost?
Mattermost is used by organizations that require secure and customizable collaboration, such as:
- Technology companies managing source code and DevSecOps workflows
- Financial institutions with strict compliance and audit requirements
- National defense and public sector agencies handling classified or sensitive information
- Large enterprises and multinational organizations needing localized or on-premises solutions
Notable customers include the U.S. Department of Defense, major banks, and global governmental bodies.
Who are Mattermost's competitors?
Mattermost operates in the secure team collaboration software market, competing with both proprietary and open source platforms. Key competitors include:
- Microsoft Teams: Widely adopted by enterprises, offering integration with Microsoft 365 and strong compliance features.
- Slack: Popular for its intuitive user experience and ecosystem of integrations, but primarily cloud-based.
- Rocket.Chat: Another open source collaboration tool with a focus on security and on-premises deployment.
- Wire: Emphasizes end-to-end encryption and privacy for enterprise collaboration.
- Nextcloud: Known for open source file sharing and team collaboration, with strong data sovereignty controls.
- Workstorm: Provides secure communication and collaboration tailored to privacy-conscious organizations.
- Kiteworks: Focuses on secure document collaboration and regulatory compliance.
Other alternatives in the broader collaboration landscape include Asana, Trello, Box, and Google Workspace tools like Google Drive, Docs, and Sheets. However, Mattermost differentiates itself with its open source approach and focus on mission-critical security.
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