Replaces
Slack Pro
Save
7.25 €/mo
87 €/year saved
What is Mattermost?
Mattermost is an open-source, self-hosted messaging platform for team communication. It provides channels, direct messaging, file sharing, search, integrations with developer tools, and enterprise features like compliance and auditing.
Key Features
Team channels
Direct & group messages
File sharing
Integrations & plugins
Voice & screen share
Compliance & auditing
Why Self-Host Mattermost?
Self-hosting Mattermost means your team's conversations, files, and data stay on your infrastructure. No message history limits, no per-user premium features, and full compliance with data residency requirements.
Ready to deploy Mattermost?
One click. Zero config. Your server, your mattermost.
you.seed.box
Mattermost vs Slack Pro
| Feature | Mattermost (Self-hosted) | Slack Pro |
|---|---|---|
| Annual cost | €20/yr (Seed.box Premium) | 87 €/year |
| Data ownership | 100% yours | Their servers |
| Privacy | Complete privacy | Data collection |
| Vendor lock-in | None - export anytime | Difficult migration |
| Storage limit | Your server capacity | Plan-dependent |
Slack Pro limitations:
- Data on Slack servers
- Per-user pricing
- Message history limits on free
- Feature limits by tier
