TechAlternatives Logo
TechAlternativesEuropean Directory
Mattermost

Mattermost

Visit Website
🏒 HQ: USA (Self-hostable in EU)πŸ–₯️ Servers: Self-hosted / Private Cloud / High-Availabilityβœ“ GDPR CompliantπŸ‡ͺπŸ‡Ί European Company

What is Mattermost?

Mattermost is a collaboration platform built for mission-critical environments where failure is not an option. The platform ensures adaptable, focused, resilient collaboration – keeping teams connected when the mission is on the line. Used by the US Air Force (achieving 4x improvement in mission information availability), Mattermost is purpose-built for critical infrastructure use cases including self-sovereign collaboration, integrated security operations, command and control, out-of-band incident response, and real-time DevSecOps. With deep integrations, playbooks, and native audio calling, Mattermost cuts through the noise to keep teams focused.

Key Features

  • βœ“Self-sovereign collaboration (GDPR Schrems II)
  • βœ“Integrated security operations
  • βœ“Command and control workflows
  • βœ“Out-of-band incident response
  • βœ“DevSecOps ChatOps integration
  • βœ“Custom apps and extensions
  • βœ“Native audio calling
  • βœ“Integrated playbooks
  • βœ“Self-hosted deployment
  • βœ“High-availability architecture
  • βœ“Robust security compliance
  • βœ“Mission-critical reliability

πŸ”’ Privacy & Data Protection

Mattermost supports self-hosted, private cloud, and high-availability deployments for complete data control. The platform enables GDPR compliance under Schrems II with long-term commitment to self-hosting. Organizations maintain full data sovereignty – your data never touches Mattermost's infrastructure if self-hosted. For organizations with stringent security and privacy requirements, Mattermost provides the control needed for sensitive communications.

Best For

Defense and government agenciesSecurity operations centersDevSecOps teamsOrganizations requiring air-gapped deploymentCrisis response teamsEnterprises replacing Slack under Schrems II

πŸ’° Pricing

Mattermost offers a free self-hosted edition. Professional and Enterprise editions provide additional features, support, and compliance certifications. Custom packages available for mission-critical organizations.

Ready to try Mattermost?

Join thousands of users who have switched to this European alternative.

Get Started with Mattermost β†’