head to head · open source
Mermaid vs CoDiver
Mermaid has 90,841 GitHub stars, 9,394 forks, 1,781 open issues and last shipped yesterday. CoDiver has 2,892 stars, 2 forks, 0 open issues and last shipped 4 months ago. Mermaid leads on adoption by 3,041% (90,841 vs 2,892 stars). Mermaid is written in TypeScript under MIT; CoDiver is written in Python under MIT. Mermaid has attracted 10% as many forks as stars, CoDiver 0%. 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.
← all 20902 open source comparisons
Side by side
| Mermaid | CoDiver | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 2.9K |
| License | MIT | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-10-25 | 2026-06-30 |
| Forks | ⑂ 9.4K | ⑂ 2 |
| 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 CoDiver if
- You want the CoDiver feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and CoDiver 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 CoDiver
CoDiver: Code Sniffer & Project Analyzer An advanced, open source unified platform for code quality, architecture metrics, and Agile analytics. [!NOTE] This project was previously known as SMC Software Metrics Calculator . The Philosophy Software is inherently human. Behind every line of code, every architectural decision, and every sprint metric lies human effort and engineering intent. The CoDiver: Code Sniffer & Project Analyzer was built on the premise that technical debt shouldn't be an abstract concept it should be deeply visible, understandable, and actionable. This platform bridges the gap between raw…
read the full CoDiver 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 CoDiver more popular?
Mermaid has 90,841 GitHub stars and CoDiver has 2,892. Mermaid has the larger community by that measure.
Are Mermaid and CoDiver free?
Both are open source. Mermaid is licensed under MIT and CoDiver under MIT. Neither carries a licence fee.
What is the difference between Mermaid and CoDiver?
Mermaid is written in TypeScript and CoDiver 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 CoDiver?
Choose Mermaid if you want the larger community (90,841 stars) or its MIT licence terms. Choose CoDiver if its feature set, stack or MIT licence fits better. Both are self-hostable.