head to head · open source
diagram-design vs Evidence
diagram-design has 40,762 GitHub stars, 2,602 forks, 42 open issues and last shipped 3 days ago. Evidence has 6,943 stars, 418 forks, 37 open issues and last shipped 2 days ago. diagram-design leads on adoption by 487% (40,762 vs 6,943 stars). diagram-design is written in HTML under MIT; Evidence is written in TypeScript under MIT. diagram-design has attracted 6% as many forks as stars, Evidence 6%. Evidence was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (data-visualization), so they are genuine substitutes rather than adjacent tools.
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
| diagram-design | Evidence | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 6.9K |
| License | MIT | MIT |
| Written in | HTML | TypeScript |
| Last push | 2026-09-15 | 2026-09-16 |
| Forks | ⑂ 2.6K | ⑂ 418 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick diagram-design if
- You weight community size — 41K stars and counting
- You want the MIT license terms
- Your stack matches HTML
- You value the larger contributor base for long-term maintenance
pick Evidence if
- You want the Evidence feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Evidence fits your workflow better
About diagram-design
Diagram Design is a skill for Claude Code, Codex, Factory Droid, Pi, and other Agent Skills compatible hosts that generates editorial quality diagrams as self contained HTML and SVG, aimed at writers, engineers, and designers who need brand consistent visuals without opening Figma.
read the full diagram-design overview →
About Evidence
Evidence is an open source, code based business intelligence tool for building reports and data visualizations. It lives in the Data & Analytics ecosystem, specifically Business Intelligence and Reporting, and is written in TypeScript under the MIT license. Reports are authored in SQL and markdown rather than assembled through drag and drop interfaces, and the project describes itself as an agent ready tool for creating reports from data. The repository carries 6,936 stars and 417 forks, with 37 open issues at the time of writing.
read the full Evidence overview →
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Frequently asked questions
Is diagram-design or Evidence more popular?
diagram-design has 40,762 GitHub stars and Evidence has 6,943. diagram-design has the larger community by that measure.
Are diagram-design and Evidence free?
Both are open source. diagram-design is licensed under MIT and Evidence under MIT. Neither carries a licence fee.
What is the difference between diagram-design and Evidence?
diagram-design is written in HTML and Evidence 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, diagram-design or Evidence?
Choose diagram-design if you want the larger community (40,762 stars) or its MIT licence terms. Choose Evidence if its feature set, stack or MIT licence fits better. Both are self-hostable.