Activepieces
MantisBT
| Feature | Activepieces | MantisBT |
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $4.95/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 3.9 / 5 |
| Best For | developers, startups, privacy-focused-teams, automation-builders | developers, small-teams, open-source-projects, budget-conscious-teams |
| Founded | 2022 | 2000 |
| Visual Builder | ✓ | ✗ |
| Ai Copilot | ✓ | ✗ |
| Branching Logic | ✓ | ✗ |
| Self Hosting | ✓ | ✗ |
| Pieces Framework | ✓ | ✗ |
| Webhooks | ✓ | ✗ |
| Bug Tracking | ✗ | ✓ |
| Custom Fields | ✗ | ✓ |
| Email Notifications | ✗ | ✓ |
| Role Management | ✗ | ✓ |
| Plugins | ✗ | ✓ |
| Time Tracking | ✗ | ✓ |
✓ Activepieces Pros
- Open-source and self-hostable
- AI helps build automations from descriptions
- Clean visual workflow builder
- Growing piece (connector) library
✗ Activepieces Cons
- Fewer integrations than Zapier/Make
- Community still growing
- Self-hosted requires maintenance
✓ 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
Activepieces is built for developers and startups, with a focus on visual-builder and ai-copilot. MantisBT targets developers and small teams and leads with bug-tracking and custom-fields.
On pricing, MantisBT is the clear winner for budget-conscious users — starting at $4.95/mo compared to $10/mo for Activepieces. That $5.05/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.
Activepieces edges out on user ratings (4.3 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 developers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
Bottom line: Activepieces has a slight overall edge — but if free and open-source matters most to you, MantisBT may still be the right call.