Looking for a Slack Alternative?
Meet Mattermost
Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack).
See how much you could save by switching from Slack to Mattermost
Average Slack pricing is ~$7.25/user/month
5-Year Projected Savings
$0
Ready to Switch?
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Slack vs Mattermost: Feature Comparison
| Feature | Slack Paid SaaS | Mattermost Open Source |
|---|---|---|
| Monthly Cost | Per-user pricing | Free (hosting only) |
| Data Ownership | ||
| Privacy Control | ||
| Self-Hosted Option | ||
| No Vendor Lock-in | ||
| Source Code Access | ||
| Customizable | Limited | Fully |
| Automatic Updates | Manual | |
| Managed Infrastructure | ||
| Official Support | Community |
Community activity and technical details from the Mattermost repository
License
Other
Open source license for commercial use
Forks
8.3k
Community-maintained copies
Primary Languages
Why Switch from Slack to Mattermost?
Complete Data Ownership
Your data stays on your servers. No third-party access, no data mining, and full compliance with privacy regulations like GDPR and HIPAA.
No Per-User Pricing
Pay only for hosting (~$5-20/month), regardless of team size. Add unlimited users without increasing your costs.
Full Customization
Access the source code and customize Mattermost to fit your exact workflow. No feature limitations or paywalls.
No Vendor Lock-in
Export your data anytime. Move between hosting providers freely. Your business isn't dependent on a single vendor.
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