Self-hostable open-source collaboration platform for mission-critical, national security, and critical infrastructure teams.
Mattermost is a sovereign collaboration platform purpose-built for national security, cybersecurity, and critical infrastructure teams requiring air-gapped, on-premises, or private cloud deployments. It provides secure messaging and channels with classification banners, workflow and playbook automation, audio and screen sharing with AI summarization, project and task management, and human-machine teaming via sovereign AI agents. Deployment options include sovereign clouds (Azure, Oracle, Google, AWS), air-gapped classified environments, and hybrid multi-region setups with attribute-based access controls and full audit trails. Mattermost is a product of Mattermost.