Mattermost

Key Features

• Open Source Core: Built with Go and React, released monthly under the MIT license.
• Secure Collaboration: Designed for environments with stringent security and privacy requirements.
• Data Control: Full ownership of your data with built-in identity, access, and admin controls.
• Flexible Deployment: Supports on-prem, private cloud, air-gapped, and BYOD environments.
• Resilience & Reliability: High-availability and self-hosted options for mission-critical uptime.
• Integrated Playbooks: Streamlined workflows for incident response and team coordination.
• Native Audio Calls: Built-in voice communication for rapid collaboration.
• Compliance Ready: Meets AICPA, GDPR, HIPAA, FINRA standards with auditing and reporting tools.
• Custom Integrations: Extend functionality with plugins, bots, and APIs.
• Enterprise Scalability: Optimized to grow with teams across large organizations.

Mission-Ready Collaboration with Mattermost

Mattermost is more than just a messaging tool—it's a secure collaboration platform purpose-built for the demands of the modern software development lifecycle. As an open source project, Mattermost delivers transparency, flexibility, and the power to adapt, offering organizations complete control over their communications in even the most mission-critical environments.

Purpose-Built for High-Stakes Collaboration

In environments where failure isn’t an option, effective collaboration must be seamless, secure, and resilient. Mattermost rises to that challenge. Written in Go and React, the platform compiles into a single Linux binary and supports either MySQL or PostgreSQL for database management. Every month, a new compiled version is released under the MIT license—ensuring consistent innovation without compromising control.

Whether deployed in a secure cloud, on-premises, or even in air-gapped networks, Mattermost adapts to the needs of security-conscious teams operating under intense demands.

Adaptable to Your Mission

One of Mattermost’s core strengths is its ability to integrate and extend. From custom apps to widely-used industry standards, the platform molds to the tools and workflows that matter most to your mission. Whether you're building your own plugins or connecting existing systems, Mattermost doesn’t get in your way—it gets behind your strategy.

Clarity in Complexity

Collaboration in high-pressure environments demands focus. With built-in playbooks, deep integrations, and native audio calling, Mattermost helps cut through the noise. It keeps teams aligned, streamlining communication and emphasizing the workflows that drive success—especially when minutes matter.

Security Without Compromise

Your data is your mission. Mattermost keeps it that way.

Built-in identity and access controls, granular admin tools, and advanced auditing features ensure you remain compliant with regulatory frameworks like AICPA, GDPR, HIPAA, and FINRA. Whether you're scaling across an enterprise or operating in a tightly controlled environment, you retain full control over your data at every step.

Resilient by Design

Recovery and continuity are central to success in sensitive environments. Mattermost supports self-hosted and high-availability deployments, offering the resilience needed to bounce back from incidents without losing momentum. No matter how constrained or complex your infrastructure, Mattermost is ready to keep communications stable and secure.

Built for What’s Next

Mattermost is trusted by organizations like the U.S. Navy for secure communication in demanding settings. It’s not just a communication tool—it’s a collaboration platform that grows with your mission. With flexible deployment options and a deep commitment to open source principles, Mattermost helps your teams stay mission-ready, connected, and in control.