Mattermost
Penpot
| Feature | Mattermost | Penpot |
|---|---|---|
| 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 | open-source-teams, privacy-focused-designers, developers, educational-institutions |
| Founded | 2015 | 2015 |
| Messaging | ✓ | ✗ |
| Channels | ✓ | ✗ |
| Playbooks | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Self Hosting | ✓ | ✗ |
| Compliance | ✓ | ✗ |
| Vector Editing | ✗ | ✓ |
| Prototyping | ✗ | ✓ |
| Components | ✗ | ✓ |
| Design Tokens | ✗ | ✓ |
| Real Time Collaboration | ✗ | ✓ |
| Css Output | ✗ | ✓ |
| Self Hostable | ✗ | ✓ |
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
✓ Penpot Pros
- Open-source and self-hostable for free
- CSS-based design outputs production-ready code
- Real-time collaboration (Figma-like experience)
- SVG-native (no proprietary formats)
✗ Penpot Cons
- Performance slower than Figma on complex files
- Smaller plugin and community ecosystem
- Missing some advanced design features
The Verdict
Mattermost is built for devops teams and security conscious orgs, with a focus on messaging and channels. Penpot targets open source teams and privacy focused designers and leads with vector-editing and prototyping.
Pricing is close: Penpot 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.
Feature-wise, Penpot offers broader built-in capabilities (7 features vs 6), while Mattermost takes a more focused approach — which can mean a simpler, faster onboarding experience.
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.