head to head · open source
Mermaid vs MasterParser
Mermaid has 90,981 GitHub stars, 9,444 forks, 1,781 open issues and last shipped yesterday. MasterParser has 767 stars, 69 forks, 3 open issues and last shipped 9 months ago. Mermaid leads on adoption by 11,762% (90,981 vs 767 stars). Mermaid is written in TypeScript under MIT; MasterParser is written in PowerShell under MIT. Mermaid has attracted 10% as many forks as stars, MasterParser 9%. 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 | MasterParser | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 767 |
| License | MIT | MIT |
| Written in | TypeScript | PowerShell |
| Last push | 2026-11-02 | 2026-02-01 |
| Forks | ⑂ 9.4K | ⑂ 69 |
| 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 MasterParser if
- You want the MasterParser feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PowerShell
- You evaluated both and MasterParser 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 MasterParser
MasterParser v2.5 Stop wasting time, let MasterParser do the work! Created & Maintained by: Eilay Yosfan What is MasterParser ? MasterParser stands as a robust Digital Forensics and Incident Response tool meticulously crafted for the analysis of Linux logs within the var/log directory. Specifically designed to expedite the investigative process for security incidents on Linux systems, MasterParser adeptly scans supported logs, such as auth.log for example, extract critical details including SSH logins, user creations, event names, IP addresses and much more. The tool's generated summary presents this information…
read the full MasterParser overview →
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Frequently asked questions
Is Mermaid or MasterParser more popular?
Mermaid has 90,981 GitHub stars and MasterParser has 767. Mermaid has the larger community by that measure.
Are Mermaid and MasterParser free?
Both are open source. Mermaid is licensed under MIT and MasterParser under MIT. Neither carries a licence fee.
What is the difference between Mermaid and MasterParser?
Mermaid is written in TypeScript and MasterParser in PowerShell. 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 MasterParser?
Choose Mermaid if you want the larger community (90,981 stars) or its MIT licence terms. Choose MasterParser if its feature set, stack or MIT licence fits better. Both are self-hostable.