head to head · open source
kanboard vs Fizzy
kanboard has 9,938 GitHub stars, 2,017 forks, 160 open issues and last shipped 5 days ago. Fizzy has 8,283 stars, 1,212 forks, 67 open issues and last shipped yesterday. kanboard leads on adoption by 20% (9,938 vs 8,283 stars). kanboard is written in PHP under MIT; Fizzy is written in Ruby under a custom or non-standard licence. kanboard has attracted 20% as many forks as stars, Fizzy 15%. 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.
← all 20902 open source comparisons
Side by side
| kanboard | Fizzy | |
|---|---|---|
| GitHub stars | ★ 9.9K | ★ 8.3K |
| License | MIT | Custom / other |
| Written in | PHP | Ruby |
| Last push | 2026-10-31 | 2026-11-04 |
| Forks | ⑂ 2.0K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick kanboard if
- You weight community size — 9.9K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick Fizzy if
- You want the Fizzy feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Ruby
- You evaluated both and Fizzy fits your workflow better
About kanboard
Kanboard ======== Kanboard is project management software that focuses on the Kanban methodology. This application is in maintenance mode . What does it mean? Citing Wikipedia: In the world of software development, maintenance mode refers to a point in a computer program's life when it has reached all of its goals and is generally considered to be "complete" and bug free. The term can also refer to the point in a software product's evolution when it is no longer competitive with other products or current with regard to the technology environment it operates within. The author of this application is not actively…
read the full kanboard overview →
About Fizzy
Fizzy This is the source code of Fizzy, the Kanban tracking tool for issues and ideas by 37signals. Running your own Fizzy instance If you want to run your own Fizzy instance, but don't need to change its code, you can use our pre built Docker image. You'll need access to a server on which you can run Docker, and you'll need to configure some options to customize your installation. You can find the details of how to do a Docker based deployment in our Docker deployment guide. If you want more flexibility to customize your Fizzy installation by changing its code, and deploy those changes to your server, then we…
read the full Fizzy overview →
More in Business Software
Related comparisons
More Project & Work Management projects
Compare either of these against the rest of the Project & Work Management field.
Frequently asked questions
Is kanboard or Fizzy more popular?
kanboard has 9,938 GitHub stars and Fizzy has 8,283. kanboard has the larger community by that measure.
Are kanboard and Fizzy free?
Both are open source. kanboard is licensed under MIT, and Fizzy has no licence declared in this registry. Both are free to self-host.
What is the difference between kanboard and Fizzy?
kanboard is written in PHP and Fizzy in Ruby. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, kanboard or Fizzy?
Choose kanboard if you want the larger community (9,938 stars) or its MIT licence terms. Choose Fizzy if its feature set, stack or Custom / other licence fits better. Both are self-hostable.