head to head · open source
diagram-design vs bklit-ui
diagram-design has 64,318 GitHub stars, 4,247 forks, 42 open issues and last shipped 2 days ago. bklit-ui has 1,880 stars, 123 forks, 3 open issues and last shipped 2 days ago. diagram-design leads on adoption by 3,321% (64,318 vs 1,880 stars). diagram-design is written in HTML under MIT; bklit-ui is written in TypeScript under MIT. diagram-design has attracted 7% as many forks as stars, bklit-ui 7%. bklit-ui 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 | bklit-ui | |
|---|---|---|
| GitHub stars | ★ 64K | ★ 1.9K |
| License | MIT | MIT |
| Written in | HTML | TypeScript |
| Last push | 2026-11-01 | 2026-11-01 |
| Forks | ⑂ 4.2K | ⑂ 123 |
| 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 bklit-ui if
- You want the bklit-ui feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and bklit-ui 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 bklit-ui
A collection of Open Source charts and utility components that you can customize and extend. Sponsors Bklit UI is supported by our sponsors. Become a sponsor. Silver sponsors: UI Rules, shadcn studio Charts Area Chart Docs · Studio Bar Chart Docs · Studio Candlestick Chart Docs · Studio Choropleth Chart Docs · Studio Composed Chart Docs · Studio Funnel Chart Docs · Studio Gauge Docs · Studio Line Chart Docs · Studio Live Line Chart Docs · Studio Pie Chart Docs · Studio Radar Chart Docs · Studio Ring Chart Docs · Studio Scatter Chart Docs · Studio Sankey Chart <
read the full bklit-ui overview →
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Frequently asked questions
Is diagram-design or bklit-ui more popular?
diagram-design has 64,318 GitHub stars and bklit-ui has 1,880. diagram-design has the larger community by that measure.
Are diagram-design and bklit-ui free?
Both are open source. diagram-design is licensed under MIT and bklit-ui under MIT. Neither carries a licence fee.
What is the difference between diagram-design and bklit-ui?
diagram-design is written in HTML and bklit-ui 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 bklit-ui?
Choose diagram-design if you want the larger community (64,318 stars) or its MIT licence terms. Choose bklit-ui if its feature set, stack or MIT licence fits better. Both are self-hostable.