head to head · open source
Mermaid vs EventViewerX
Mermaid has 90,981 GitHub stars, 9,444 forks, 1,781 open issues and last shipped yesterday. EventViewerX has 734 stars, 69 forks, 19 open issues and last shipped 4 days ago. Mermaid leads on adoption by 12,295% (90,981 vs 734 stars). Mermaid is written in TypeScript under MIT; EventViewerX is written in C# under MIT. Mermaid has attracted 10% as many forks as stars, EventViewerX 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 | EventViewerX | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 734 |
| License | MIT | MIT |
| Written in | TypeScript | C# |
| Last push | 2026-11-02 | 2026-10-30 |
| 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 EventViewerX if
- You want the EventViewerX feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and EventViewerX 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 EventViewerX
EventViewerX High performance Windows Event Log tooling for .NET and PowerShell. PSEventViewer is the thin PowerShell surface. EventViewerX is the reusable C engine underneath it. Live channels, remote sessions, WEC, provider messages, and Windows configuration use the Windows Event Log APIs. Saved EVTX files can also use an explicitly selected portable adapter. In this project, offline means reading a saved .evtx file instead of an active channel. The default saved file path still uses Windows Eventing APIs. EventViewerX.Evtx is an optional dependency backed adapter for Linux, macOS, and Windows; it plugs into…
read the full EventViewerX overview →
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Frequently asked questions
Is Mermaid or EventViewerX more popular?
Mermaid has 90,981 GitHub stars and EventViewerX has 734. Mermaid has the larger community by that measure.
Are Mermaid and EventViewerX free?
Both are open source. Mermaid is licensed under MIT and EventViewerX under MIT. Neither carries a licence fee.
What is the difference between Mermaid and EventViewerX?
Mermaid is written in TypeScript and EventViewerX in C#. 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 EventViewerX?
Choose Mermaid if you want the larger community (90,981 stars) or its MIT licence terms. Choose EventViewerX if its feature set, stack or MIT licence fits better. Both are self-hostable.