head to head · open source
diagram-design vs dataease
diagram-design has 40,762 GitHub stars, 2,602 forks, 42 open issues and last shipped 3 days ago. dataease has 24,442 stars, 4,236 forks, 49 open issues and last shipped yesterday. diagram-design leads on adoption by 67% (40,762 vs 24,442 stars). diagram-design is written in HTML under MIT; dataease is written in Java under GPL-3.0. diagram-design has attracted 6% as many forks as stars, dataease 17%. dataease 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 | dataease | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 24K |
| License | MIT | GPL-3.0 |
| Written in | HTML | Java |
| Last push | 2026-09-15 | 2026-09-17 |
| Forks | ⑂ 2.6K | ⑂ 4.2K |
| 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 dataease if
- You want the dataease feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Java
- You evaluated both and dataease 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 dataease
DataEase is an open source business intelligence and data visualization tool, written in Java and licensed under GPL 3.0, built for analysts and business teams who want to explore data and build charts by clicking and dragging rather than by writing code.
read the full dataease overview →
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Frequently asked questions
Is diagram-design or dataease more popular?
diagram-design has 40,762 GitHub stars and dataease has 24,442. diagram-design has the larger community by that measure.
Are diagram-design and dataease free?
Both are open source. diagram-design is licensed under MIT and dataease under GPL-3.0. Neither carries a licence fee.
What is the difference between diagram-design and dataease?
diagram-design is written in HTML and dataease in Java. 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 dataease?
Choose diagram-design if you want the larger community (40,762 stars) or its MIT licence terms. Choose dataease if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.