What is Mattermost?
Mattermost is an open-source collaboration platform that offers Slack-like channel-based messaging with the option to host it on your own infrastructure. Its highlights include playbooks, DevOps tool integrations and the ability to run in air-gapped environments. It serves organizations that prioritize data sovereignty, such as defense, government and finance. The free edition can be self-hosted; enterprise features require a paid license.
Key facts
- Starting price
- $10 / user/month
- Pricing model
- Open source
- Active users
- —
- Customers
- —
- Vendor employees
- —
- Launched
- 2015
- Deployment
- Cloud (SaaS), On-premise
- Platforms
- Web, Windows, macOS, Linux, iOS, Android
Strengths & considerations
Strengths
- Self-hosting gives full control over data
- Open source and extensible
- Suited to regulated and security-sensitive teams
- Free plan available
- Open source
- Can run on-premise
- Turkish interface
Considerations
- Self-hosting requires operational effort
- Smaller integration ecosystem than Slack
- Some enterprise features are paid only
Editorial summary based on public information; not a user review.
Features
✓Workflow automation· Automation
✓AI features· Automation
✓Video calls· Communication
✓Screen sharing· Communication
✓GDPR compliance· Compliance
✓Self-hosted· Deployment
✓Open source· Deployment
✓API access· Integrations
✓Webhooks· Integrations
✓Integrations marketplace· Integrations
✓Mobile app· Platform
✓Multi-language· Platform
✓Turkish interface· Platform
✓Single sign-on (SSO)· Security
✓Two-factor authentication· Security
✓Role-based access· Security
✓Audit log· Security
User reviews
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