head to head · open source
Mermaid vs echarts
Mermaid has 90,981 GitHub stars, 9,444 forks, 1,781 open issues and last shipped yesterday. echarts has 67,666 stars, 19,970 forks, 1,501 open issues and last shipped 21 days ago. Mermaid leads on adoption by 34% (90,981 vs 67,666 stars). Mermaid is written in TypeScript under MIT; echarts is written in TypeScript under Apache-2.0. Mermaid has attracted 10% as many forks as stars, echarts 30%. 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 | echarts | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 68K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-10-13 |
| Forks | ⑂ 9.4K | ⑂ 20K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mermaid if
- You weight community size — 91K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick echarts if
- You want the echarts feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and echarts fits your workflow better
About Mermaid
Mermaid Generate diagrams from Markdown like text. Live Editor! 📖 Documentation 🚀 Getting Started 🌐 CDN 🙌 Join Us 简体中文 Try Live Editor previews of future releases: Develop Next :trophy: Mermaid was nominated and won the JS Open Source Awards (2019) in the category "The most exciting use of technology"!!! Thanks to all involved, people committing pull requests, people answering questions! 🙏 Table of content Expand contents About Examples Release Related projects Contributors Security and safe diagrams Reporting vulnerabilities Appreciation About Mermaid is a JavaScript based diagramming and charting tool…
read the full Mermaid overview →
About echarts
Apache ECharts Apache ECharts is a free, powerful charting and visualization library offering easy ways to add intuitive, interactive, and highly customizable charts to your commercial products. It is written in pure JavaScript and based on zrender , which is a whole new lightweight canvas library. 中文官网 ENGLISH HOMEPAGE Get Apache ECharts You may choose one of the following methods: + Download from the official website + npm install echarts save + CDN: jsDelivr CDN Docs + Get Started + API + Option Manual + Examples Get Help + GitHub Issues for bug report and feature requests + Email dev@echarts.apache.org for…
read the full echarts overview →
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Frequently asked questions
Is Mermaid or echarts more popular?
Mermaid has 90,981 GitHub stars and echarts has 67,666. Mermaid has the larger community by that measure.
Are Mermaid and echarts free?
Both are open source. Mermaid is licensed under MIT and echarts under Apache-2.0. Neither carries a licence fee.
What is the difference between Mermaid and echarts?
Mermaid is written in TypeScript and echarts in TypeScript. 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 echarts?
Choose Mermaid if you want the larger community (90,981 stars) or its MIT licence terms. Choose echarts if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.