head to head · open source
diagram-design vs datavzrd
diagram-design has 59,104 GitHub stars, 3,800 forks, 42 open issues and last shipped 2 days ago. datavzrd has 681 stars, 41 forks, 15 open issues and last shipped 2 days ago. diagram-design leads on adoption by 8,579% (59,104 vs 681 stars). diagram-design is written in HTML under MIT; datavzrd is written in Rust under MIT. diagram-design has attracted 6% as many forks as stars, datavzrd 6%. datavzrd 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 | datavzrd | |
|---|---|---|
| GitHub stars | ★ 59K | ★ 681 |
| License | MIT | MIT |
| Written in | HTML | Rust |
| Last push | 2026-10-20 | 2026-10-20 |
| Forks | ⑂ 3.8K | ⑂ 41 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick diagram-design if
- You weight community size — 59K stars and counting
- You want the MIT license terms
- Your stack matches HTML
- You value the larger contributor base for long-term maintenance
pick datavzrd if
- You want the datavzrd feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and datavzrd 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 datavzrd
A tool to create visual and interactive HTML reports from collections of tabular data (CSV, TSV, JSON or Parquet). Reports include automatically generated vega lite histograms per column. Plots can be fully customized by users via a config file. These also allow the user to add linkouts to other websites or link between multiple tables. Documentation is available via the official website: An example report can be viewed online with the corresponding config file. Citation If you use datavzrd in your research, please cite: Wiegand F, Lähnemann D, Mölder F, Uzuner H, Prinz A, Schramm A, Köster J. Datavzrd: Rapid…
read the full datavzrd overview →
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Frequently asked questions
Is diagram-design or datavzrd more popular?
diagram-design has 59,104 GitHub stars and datavzrd has 681. diagram-design has the larger community by that measure.
Are diagram-design and datavzrd free?
Both are open source. diagram-design is licensed under MIT and datavzrd under MIT. Neither carries a licence fee.
What is the difference between diagram-design and datavzrd?
diagram-design is written in HTML and datavzrd in Rust. 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 datavzrd?
Choose diagram-design if you want the larger community (59,104 stars) or its MIT licence terms. Choose datavzrd if its feature set, stack or MIT licence fits better. Both are self-hostable.