head to head · open source
diagram-design vs kepler.gl
diagram-design has 64,736 GitHub stars, 4,269 forks, 42 open issues and last shipped 2 days ago. kepler.gl has 12,078 stars, 1,963 forks, 452 open issues and last shipped yesterday. diagram-design leads on adoption by 436% (64,736 vs 12,078 stars). diagram-design is written in HTML under MIT; kepler.gl is written in TypeScript under MIT. diagram-design has attracted 7% as many forks as stars, kepler.gl 16%. kepler.gl 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 | kepler.gl | |
|---|---|---|
| GitHub stars | ★ 65K | ★ 12K |
| License | MIT | MIT |
| Written in | HTML | TypeScript |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 4.3K | ⑂ 2.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick diagram-design if
- You weight community size — 65K stars and counting
- You want the MIT license terms
- Your stack matches HTML
- You value the larger contributor base for long-term maintenance
pick kepler.gl if
- You want the kepler.gl feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and kepler.gl 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 kepler.gl
kepler.gl Website Demo App Docs [Kepler.gl][web] is a data agnostic, high performance web based application for visual exploration of large scale geolocation data sets. Built on top of MapLibre GL and deck.gl, kepler.gl can render millions of points representing thousands of trips and perform spatial aggregations on the fly. Kepler.gl is also a React component that uses Redux to manage its state and data flow. It can be embedded into other React Redux applications and is highly customizable. For information on how to embed kepler.gl in your app take a look at the documentation. Links [Website][web] [Demo][demo…
read the full kepler.gl overview →
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Frequently asked questions
Is diagram-design or kepler.gl more popular?
diagram-design has 64,736 GitHub stars and kepler.gl has 12,078. diagram-design has the larger community by that measure.
Are diagram-design and kepler.gl free?
Both are open source. diagram-design is licensed under MIT and kepler.gl under MIT. Neither carries a licence fee.
What is the difference between diagram-design and kepler.gl?
diagram-design is written in HTML and kepler.gl 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 kepler.gl?
Choose diagram-design if you want the larger community (64,736 stars) or its MIT licence terms. Choose kepler.gl if its feature set, stack or MIT licence fits better. Both are self-hostable.