head to head · open source
Fizzy vs openDataV
Fizzy has 8,212 GitHub stars, 1,194 forks, 67 open issues and last shipped 2 days ago. openDataV has 1,366 stars, 219 forks, 4 open issues and last shipped 1 months ago. Fizzy leads on adoption by 501% (8,212 vs 1,366 stars). Fizzy is written in Ruby under a custom or non-standard licence; openDataV is written in TypeScript under Apache-2.0. Fizzy has attracted 15% as many forks as stars, openDataV 16%. Fizzy was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (kanban), 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
| Fizzy | openDataV | |
|---|---|---|
| GitHub stars | ★ 8.2K | ★ 1.4K |
| License | Custom / other | Apache-2.0 |
| Written in | Ruby | TypeScript |
| Last push | 2026-09-19 | 2026-08-15 |
| Forks | ⑂ 1.2K | ⑂ 219 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Fizzy if
- You weight community size — 8.2K stars and counting
- You want the Custom / other license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick openDataV if
- You want the openDataV 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 openDataV fits your workflow better
About Fizzy
Fizzy is an open source kanban tool for tracking issues and ideas, published by 37signals as a Ruby on Rails application, and it is aimed at teams that want a fast, simple board together with the source code and the option to run that board on their own server.
read the full Fizzy overview →
About openDataV
OpenDataV is a pure front end, drag and drop, visual, low code data visualization platform built in TypeScript and Vue 3. It lives in the Vue ecosystem and targets large screen dashboards, data boards, and component based visual interfaces. The project uses Vite, NaiveUI, and a Monorepo structure.
read the full openDataV overview →
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Frequently asked questions
Is Fizzy or openDataV more popular?
Fizzy has 8,212 GitHub stars and openDataV has 1,366. Fizzy has the larger community by that measure.
Are Fizzy and openDataV free?
Both are open source. Fizzy has no licence declared in this registry, and openDataV is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Fizzy and openDataV?
Fizzy is written in Ruby and openDataV 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, Fizzy or openDataV?
Choose Fizzy if you want the larger community (8,212 stars) or its Custom / other licence terms. Choose openDataV if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.