head to head · open source
Mermaid vs graphic
Mermaid has 90,299 GitHub stars, 9,266 forks, 1,781 open issues and last shipped 4 days ago. graphic has 1,789 stars, 185 forks, 85 open issues and last shipped 7 months ago. Mermaid leads on adoption by 4,947% (90,299 vs 1,789 stars). Mermaid is written in TypeScript under MIT; graphic is written in Dart under MIT. Mermaid has attracted 10% as many forks as stars, graphic 10%. Mermaid was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Mermaid | graphic | |
|---|---|---|
| GitHub stars | ★ 90K | ★ 1.8K |
| License | MIT | MIT |
| Written in | TypeScript | Dart |
| Last push | 2026-09-15 | 2026-02-25 |
| Forks | ⑂ 9.3K | ⑂ 185 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mermaid if
- You weight community size — 90K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick graphic if
- You want the graphic feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Dart
- You evaluated both and graphic fits your workflow better
About Mermaid
Mermaid is a JavaScript based diagramming tool that renders diagrams from Markdown like text definitions. It lives in the JavaScript/TypeScript ecosystem and operates both in the browser and in Node.js environments. The project’s core purpose is to eliminate the gap between software development and documentation by letting developers write diagrams alongside code, avoiding the rot and overhead of manual diagram maintenance.
read the full Mermaid overview →
About graphic
Graphic is a grammar of data visualization and a Flutter charting library, published on pub.dev as the MIT licensed graphic package for Dart and Flutter developers who need to render charts inside an application rather than in a separate reporting tool.
read the full graphic overview →
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Frequently asked questions
Is Mermaid or graphic more popular?
Mermaid has 90,299 GitHub stars and graphic has 1,789. Mermaid has the larger community by that measure.
Are Mermaid and graphic free?
Both are open source. Mermaid is licensed under MIT and graphic under MIT. Neither carries a licence fee.
What is the difference between Mermaid and graphic?
Mermaid is written in TypeScript and graphic in Dart. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Mermaid or graphic?
Choose Mermaid if you want the larger community (90,299 stars) or its MIT licence terms. Choose graphic if its feature set, stack or MIT licence fits better. Both are self-hostable.