Excalidraw vs Mermaid
Excalidraw
Open-source virtual whiteboard with hand-drawn feel
Mermaid
Diagramming and charting from text definitions
| Feature | Excalidraw | Mermaid |
|---|---|---|
| Category | Embeddable | Embeddable |
| Sub-category | Diagramming | Diagramming |
| Maturity | stable | mature |
| Complexity | beginner | beginner |
| Performance tier | medium | medium |
| License | MIT | MIT |
| License type | permissive | permissive |
| Pricing | fully free | fully free |
| GitHub stars | 90.0K | 74.0K |
| Contributors | 300 | 100 |
| Commit frequency | weekly | weekly |
| Plugin ecosystem | none | none |
| Docs quality | good | excellent |
| Backing org | Excalidraw | Knut Sveidqvist |
| Funding model | community | community |
| Min RAM | 128 MB | 32 MB |
| Min CPU cores | 1 | 1 |
| Scaling pattern | single_node | single_node |
| Self-hostable | Yes | Yes |
| K8s native | No | No |
| Offline capable | No | No |
| Vendor lock-in | none | none |
| Languages | TypeScript | TypeScript |
| API type | SDK | SDK |
| Protocols | HTTP | HTTP |
| Deployment | npm | npm, cdn |
| SDK languages | — | — |
| Team size fit | solo, small, medium | solo, small, medium |
| First release | 2020 | 2014 |
| Latest version | — | — |
When to use Excalidraw
- ✓ Embed whiteboard in apps for brainstorming
- ✓ Visual collaboration in documentation tools
- ✓ Architecture sketching
- ✓ Interactive tutorials with drawings
When to use Mermaid
- ✓ Embed diagrams in documentation
- ✓ Generate flowcharts from text
- ✓ Architecture diagrams in README files
- ✓ Sequence diagrams for API docs
Excalidraw anti-patterns
- ✕ React-only for embedding
- ✕ Large bundle size
- ✕ No structured diagram export
Mermaid anti-patterns
- ✕ Styling options limited
- ✕ Complex diagrams can be hard to layout
- ✕ Rendering differences between versions