Mattermost
Slite
| Feature | Mattermost | Slite |
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $8/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.3 / 5 |
| Best For | devops-teams, security-conscious-orgs, government, enterprise | remote-teams, startups, ops-teams, distributed-teams |
| Founded | 2015 | 2017 |
| Messaging | ✓ | ✗ |
| Channels | ✓ | ✗ |
| Playbooks | ✓ | ✗ |
| Integrations | ✓ | ✓ |
| Self Hosting | ✓ | ✗ |
| Compliance | ✓ | ✗ |
| Ai Assistant | ✗ | ✓ |
| Doc Editor | ✗ | ✓ |
| Collections | ✗ | ✓ |
| Ask Feature | ✗ | ✓ |
| Templates | ✗ | ✓ |
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
✓ Slite Pros
- AI that actually reads and answers from your docs
- Clean distraction-free editor
- Good for async-first teams
- Templates for common documentation needs
✗ Slite Cons
- Limited customization of structure
- No public documentation hosting
- Fewer integrations than Notion
The Verdict
Mattermost is built for devops teams and security conscious orgs, with a focus on messaging and channels. Slite targets remote teams and startups and leads with ai-assistant and doc-editor.
Pricing is close: Slite starts at $8/mo versus $10/mo for Mattermost — not a deciding factor on its own.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.