Bugzilla
MantisBT
| Feature | Bugzilla | MantisBT |
|---|---|---|
| Pricing | Free only | Free / from $4.95/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 3.7 / 5 | 3.9 / 5 |
| Best For | open-source-projects, enterprise-it, developers, large-organizations | developers, small-teams, open-source-projects, budget-conscious-teams |
| Founded | 1998 | 2000 |
| Bug Tracking | ✓ | ✓ |
| Advanced Search | ✓ | ✗ |
| Email Integration | ✓ | ✗ |
| Custom Workflows | ✓ | ✗ |
| Patch Management | ✓ | ✗ |
| Reporting | ✓ | ✗ |
| Custom Fields | ✗ | ✓ |
| Email Notifications | ✗ | ✓ |
| Role Management | ✗ | ✓ |
| Plugins | ✗ | ✓ |
| Time Tracking | ✗ | ✓ |
✓ Bugzilla Pros
- Completely free
- Battle-tested
- Advanced search
- Highly customizable
✗ Bugzilla Cons
- Very dated interface
- Difficult to set up
- No modern UX
✓ MantisBT Pros
- Free and open-source
- Easy to set up
- Lightweight
- Extensible with plugins
✗ MantisBT Cons
- Dated interface
- Limited agile features
- Small community vs alternatives
The Verdict
Bugzilla is built for open source projects and enterprise it, with a focus on bug-tracking and advanced-search. MantisBT targets developers and small teams and leads with bug-tracking and custom-fields.
Bugzilla uses custom enterprise pricing, while MantisBT starts at $4.95/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.
Both tools are a solid fit for open source projects, developers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
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.