head to head · open source
Mermaid vs Frappe Insights
Mermaid has 90,293 GitHub stars, 9,266 forks, 1,781 open issues and last shipped 3 days ago. Frappe Insights has 1,015 stars, 507 forks, 218 open issues and last shipped yesterday. Mermaid leads on adoption by 8,796% (90,293 vs 1,015 stars). Mermaid is written in TypeScript under MIT; Frappe Insights is written in Python under AGPL-3.0. Mermaid has attracted 10% as many forks as stars, Frappe Insights 50%. Frappe Insights 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.
← all 8884 open source comparisons
Side by side
| Mermaid | Frappe Insights | |
|---|---|---|
| GitHub stars | ★ 90K | ★ 1.0K |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-15 | 2026-09-17 |
| Forks | ⑂ 9.3K | ⑂ 507 |
| 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 Frappe Insights if
- You want the Frappe Insights feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and Frappe Insights 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 Frappe Insights
Frappe Insights is a 100% open source business intelligence tool built on the Frappe Framework, a full stack web application framework. Its interface is built with Frappe UI, a Vue based component library, while queries are composed through Ibis and charts rendered with Apache eCharts. The project is written in Python and released under the AGPL 3.0 license, and it sits within the Frappe and ERPNext ecosystem, where it is published under the frappe organization.
read the full Frappe Insights overview →
More in Data & Analytics
Related comparisons
More Business Intelligence & Reporting projects
Compare either of these against the rest of the Business Intelligence & Reporting field.
Frequently asked questions
Is Mermaid or Frappe Insights more popular?
Mermaid has 90,293 GitHub stars and Frappe Insights has 1,015. Mermaid has the larger community by that measure.
Are Mermaid and Frappe Insights free?
Both are open source. Mermaid is licensed under MIT and Frappe Insights under AGPL-3.0. Neither carries a licence fee.
What is the difference between Mermaid and Frappe Insights?
Mermaid is written in TypeScript and Frappe Insights in Python. 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 Frappe Insights?
Choose Mermaid if you want the larger community (90,293 stars) or its MIT licence terms. Choose Frappe Insights if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.