MantisBT
Portainer
| Feature | MantisBT | Portainer |
|---|---|---|
| Pricing | Free / from $4.95/mo | Free / from $12/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 3.9 / 5 | 4.4 / 5 |
| Best For | developers, small-teams, open-source-projects, budget-conscious-teams | devops-engineers, system-admins, small-teams, docker-users |
| Founded | 2000 | 2017 |
| Bug Tracking | ✓ | ✗ |
| Custom Fields | ✓ | ✗ |
| Email Notifications | ✓ | ✗ |
| Role Management | ✓ | ✗ |
| Plugins | ✓ | ✗ |
| Time Tracking | ✓ | ✗ |
| Container Management | ✗ | ✓ |
| Stack Deployment | ✗ | ✓ |
| User Management | ✗ | ✓ |
| Registry Access | ✗ | ✓ |
| Monitoring | ✗ | ✓ |
| Edge Computing | ✗ | ✓ |
✓ 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
✓ Portainer Pros
- Visual UI for Docker/K8s management
- Free for up to 5 environments
- Simplifies container deployment
- Role-based access control
✗ Portainer Cons
- Enterprise features are paid
- Can lag behind Docker CLI capabilities
- Limited CI/CD features
The Verdict
MantisBT is built for developers and small teams, with a focus on bug-tracking and custom-fields. Portainer targets devops engineers and system admins and leads with container-management and stack-deployment.
On pricing, MantisBT is the clear winner for budget-conscious users — starting at $4.95/mo compared to $12/mo for Portainer. That $7.05/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.
Portainer edges out on user ratings (4.4 vs 3.9). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Both tools are a solid fit for small teams — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
Bottom line: Portainer has a slight overall edge — but if free and open-source matters most to you, MantisBT may still be the right call.