Excalidraw
MantisBT
| Feature | Excalidraw | MantisBT |
|---|---|---|
| Pricing | Free / from $7/mo | Free / from $4.95/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.7 / 5 | 3.9 / 5 |
| Best For | developers, product-teams, educators, brainstorming-sessions | developers, small-teams, open-source-projects, budget-conscious-teams |
| Founded | 2020 | 2000 |
| Freehand Drawing | ✓ | ✗ |
| Real Time Collaboration | ✓ | ✗ |
| Component Library | ✓ | ✗ |
| Export Options | ✓ | ✗ |
| End To End Encryption | ✓ | ✗ |
| Embeddable | ✓ | ✗ |
| Shapes And Arrows | ✓ | ✗ |
| Bug Tracking | ✗ | ✓ |
| Custom Fields | ✗ | ✓ |
| Email Notifications | ✗ | ✓ |
| Role Management | ✗ | ✓ |
| Plugins | ✗ | ✓ |
| Time Tracking | ✗ | ✓ |
✓ Excalidraw Pros
- Beautiful hand-drawn sketch aesthetic
- Completely free and open source core
- Real-time collaboration with shared links
- Library of reusable components and templates
- Embeddable in other applications
✗ Excalidraw Cons
- Limited formatting compared to structured diagramming tools
- No presentation mode built-in
- File management basic without Excalidraw+
✓ 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
Excalidraw is built for developers and product teams, with a focus on freehand-drawing and real-time-collaboration. MantisBT targets developers and small teams and leads with bug-tracking and custom-fields.
Pricing is close: MantisBT starts at $4.95/mo versus $7/mo for Excalidraw — 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.
Excalidraw edges out on user ratings (4.7 vs 3.9). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Feature-wise, Excalidraw offers broader built-in capabilities (7 features vs 6), while MantisBT takes a more focused approach — which can mean a simpler, faster onboarding experience.
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: Excalidraw has a slight overall edge — but if free and open-source matters most to you, MantisBT may still be the right call.