head to head · open source
diagram-design vs reaviz
diagram-design has 64,318 GitHub stars, 4,247 forks, 42 open issues and last shipped 2 days ago. reaviz has 1,254 stars, 124 forks, 32 open issues and last shipped 3 months ago. diagram-design leads on adoption by 5,029% (64,318 vs 1,254 stars). diagram-design is written in HTML under MIT; reaviz is written in TypeScript under Apache-2.0. diagram-design has attracted 7% as many forks as stars, reaviz 10%. diagram-design 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 | reaviz | |
|---|---|---|
| GitHub stars | ★ 64K | ★ 1.3K |
| License | MIT | Apache-2.0 |
| Written in | HTML | TypeScript |
| Last push | 2026-11-01 | 2026-08-10 |
| Forks | ⑂ 4.2K | ⑂ 124 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick diagram-design if
- You weight community size — 64K stars and counting
- You want the MIT license terms
- Your stack matches HTML
- You value the larger contributor base for long-term maintenance
pick reaviz if
- You want the reaviz feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and reaviz fits your workflow better
About diagram-design
Diagram Design Editorial diagrams your designer won't hate. New in 2.0 — the Loop: flywheels with a shared memory hub. The dashed lines are the write backs. New in 2.3: semantic system patterns and optional accessible motion, while static output stays the default. New in 2.5.10: ten more layout grammars — Sankey, fishbone, Wardley map, kanban, user journey, deployment, dependency graph, UML class, story map, and database schema. 39 editorial diagram types for Claude Code, Codex, Factory Droid, Pi, and Agent Skills compatible hosts. Self contained HTML + SVG. No shadows. No Mermaid slop. Semantic patterns…
read the full diagram-design overview →
About reaviz
Data visualization library for React REAVIZ is a modular chart component library that leverages React natively for rendering the components while using D3js under the hood for calculations. The library provides an easy way to get started creating charts without sacrificing customization ability. 🚀 Quick Links Website Docs Blocks Storybook Changelog 🏗️ Other Projects Reagraph Open source library for large webgl based network graphs. Reablocks Open source component library for React based on Tailwind. Reaflow Open source library for workflow and diagram graphs. Reachat Open source library for building LLM/Chat…
read the full reaviz overview →
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Frequently asked questions
Is diagram-design or reaviz more popular?
diagram-design has 64,318 GitHub stars and reaviz has 1,254. diagram-design has the larger community by that measure.
Are diagram-design and reaviz free?
Both are open source. diagram-design is licensed under MIT and reaviz under Apache-2.0. Neither carries a licence fee.
What is the difference between diagram-design and reaviz?
diagram-design is written in HTML and reaviz 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 reaviz?
Choose diagram-design if you want the larger community (64,318 stars) or its MIT licence terms. Choose reaviz if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.