Mattermost
Slides
| Feature | Mattermost | Slides |
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $5/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.1 / 5 |
| Best For | devops-teams, security-conscious-orgs, government, enterprise | designers, developers, educators, remote-teams |
| Founded | 2015 | 2013 |
| Messaging | ✓ | ✗ |
| Channels | ✓ | ✗ |
| Playbooks | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Self Hosting | ✓ | ✗ |
| Compliance | ✓ | ✗ |
| Online Editor | ✗ | ✓ |
| Collaboration | ✗ | ✓ |
| Custom Css | ✗ | ✓ |
| Analytics | ✗ | ✓ |
| Embedding | ✗ | ✓ |
| Version History | ✗ | ✓ |
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
✓ Slides Pros
- Clean minimal interface
- HTML/CSS export for developers
- Real-time collaboration
- Responsive presentations on any device
✗ Slides Cons
- Limited template variety
- No offline editing
- Less feature-rich than PowerPoint
The Verdict
Mattermost is built for devops teams and security conscious orgs, with a focus on messaging and channels. Slides targets designers and developers and leads with online-editor and collaboration.
On pricing, Slides is the clear winner for budget-conscious users — starting at $5/mo compared to $10/mo for Mattermost. That $5/mo difference adds up quickly for growing teams.
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.