Bugzilla
Mattermost
| Feature | Bugzilla | Mattermost |
|---|---|---|
| Pricing | Free only | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 3.7 / 5 | 4.2 / 5 |
| Best For | open-source-projects, enterprise-it, developers, large-organizations | devops-teams, security-conscious-orgs, government, enterprise |
| Founded | 1998 | 2015 |
| Bug Tracking | ✓ | ✗ |
| Advanced Search | ✓ | ✗ |
| Email Integration | ✓ | ✗ |
| Custom Workflows | ✓ | ✗ |
| Patch Management | ✓ | ✗ |
| Reporting | ✓ | ✗ |
| Messaging | ✗ | ✓ |
| Channels | ✗ | ✓ |
| Playbooks | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| Self Hosting | ✗ | ✓ |
| Compliance | ✗ | ✓ |
✓ Bugzilla Pros
- Completely free
- Battle-tested
- Advanced search
- Highly customizable
✗ Bugzilla Cons
- Very dated interface
- Difficult to set up
- No modern UX
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
The Verdict
Bugzilla is built for open source projects and enterprise it, with a focus on bug-tracking and advanced-search. Mattermost targets devops teams and security conscious orgs and leads with messaging and channels.
Bugzilla uses custom enterprise pricing, while Mattermost starts at $10/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Mattermost edges out on user ratings (4.2 vs 3.7). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Bottom line: Mattermost has a slight overall edge — but if completely free matters most to you, Bugzilla may still be the right call.