head to head · open source
Fizzy vs taskwarrior
Fizzy has 8,212 GitHub stars, 1,194 forks, 67 open issues and last shipped yesterday. taskwarrior has 6,076 stars, 421 forks, 436 open issues and last shipped yesterday. Fizzy leads on adoption by 35% (8,212 vs 6,076 stars). Fizzy is written in Ruby under a custom or non-standard licence; taskwarrior is written in C++ under MIT. Fizzy has attracted 15% as many forks as stars, taskwarrior 7%. taskwarrior was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | taskwarrior | |
|---|---|---|
| GitHub stars | ★ 8.2K | ★ 6.1K |
| License | Custom / other | MIT |
| Written in | Ruby | C++ |
| Last push | 2026-09-19 | 2026-09-19 |
| Forks | ⑂ 1.2K | ⑂ 421 |
| 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 taskwarrior if
- You want the taskwarrior feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and taskwarrior 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 taskwarrior
Taskwarrior is a portable, MIT licensed command line task list management utility written in C++ for people who track to dos and projects from a terminal instead of a graphical app.
read the full taskwarrior overview →
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Frequently asked questions
Is Fizzy or taskwarrior more popular?
Fizzy has 8,212 GitHub stars and taskwarrior has 6,076. Fizzy has the larger community by that measure.
Are Fizzy and taskwarrior free?
Both are open source. Fizzy has no licence declared in this registry, and taskwarrior is licensed under MIT. Both are free to self-host.
What is the difference between Fizzy and taskwarrior?
Fizzy is written in Ruby and taskwarrior in C++. 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 taskwarrior?
Choose Fizzy if you want the larger community (8,212 stars) or its Custom / other licence terms. Choose taskwarrior if its feature set, stack or MIT licence fits better. Both are self-hostable.