Mattermost is an open-source platform designed for secure, workflow-centric collaboration, primarily serving technical and operational teams in industries such as national defense, financial services, and technology. Its offerings encompass integrated workflow automation, AI acceleration, ChatOps, team messaging, audio calling, and screen sharing, all within a robust self-hosted and cloud environment. Trusted by high-profile clients, including governmental agencies and major corporations, Mattermost emphasizes security and compliance, meeting stringent national security requirements. The company actively engages with a global community of over 4,000 contributors, fostering continuous improvement and innovation in its product. Mattermost prioritizes high-impact work, customer success, and strong ownership while promoting a diverse and inclusive workplace as a fully remote organization.