Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- Mattermost
- Pricing
- Freemium — Free – $10/user/mo
- Free tier
- Yes
- Platforms
- Web, Windows, Mac, Linux, Ios, Android, Self Hosted
- Best for
- Enterprise, Government, Devops Teams
- Editor rating
- 4.3 / 5
- Founded
- 2016
- Headquarters
- Palo Alto, CA, USA
What is Mattermost?
Mattermost is a team chat tool from Mattermost. Mattermost is a self-hostable Slack alternative for security-conscious teams.
Mattermost uses freemium pricing and offers a free tier you can start on without a credit card. Free – $10/user/mo.
It's best suited to enterprise, government, devops-teams and runs on Web, Windows, Mac, Linux, Ios, Android, Self Hosted.
Standout strengths include self-hostable, open source, data control. Worth weighing: ops overhead, fewer integrations than slack.
Mattermost pricing
Pros
- Self-hostable
- Open source
- Data control
Cons
- Ops overhead
- Fewer integrations than Slack
Mattermost vs alternatives
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Frequently asked questions
What is Mattermost?
Mattermost is a self-hostable Slack alternative for security-conscious teams.
How much does Mattermost cost?
Mattermost is freemium-priced. It has a free tier. Paid plans start at $10/user/mo.
Does Mattermost have a free trial?
Mattermost offers a free tier rather than a time-limited trial.
What platforms does Mattermost support?
Mattermost is available on Web, Windows, Mac, Linux, Ios, Android, Self Hosted.