head to head · open source
Prefect vs puppetry
Prefect has 23,882 GitHub stars, 2,527 forks, 858 open issues and last shipped today. puppetry has 888 stars, 127 forks, 25 open issues and last shipped 3 months ago. Prefect leads on adoption by 2,589% (23,882 vs 888 stars). Prefect is written in Python under Apache-2.0; puppetry is written in JavaScript under MIT. Prefect has attracted 11% as many forks as stars, puppetry 14%. Prefect 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
| Prefect | puppetry | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 888 |
| License | Apache-2.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-09-20 | 2026-06-19 |
| Forks | ⑂ 2.5K | ⑂ 127 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prefect if
- You weight community size — 24K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick puppetry if
- You want the puppetry feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and puppetry fits your workflow better
About Prefect
Prefect is an open source, Python native workflow orchestration framework that lets data and machine learning teams turn ordinary Python scripts into scheduled, resilient, observable production pipelines.
read the full Prefect overview →
About puppetry
Puppetry is a no code/low code end to end web testing tool built on top of Puppeteer and Jest, aimed at QA engineers, testers, and developers who want to record and manage browser tests through a UI instead of writing scripts — though the project is now officially deprecated and kept only as an example and a piece of its own history.
read the full puppetry overview →
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Frequently asked questions
Is Prefect or puppetry more popular?
Prefect has 23,882 GitHub stars and puppetry has 888. Prefect has the larger community by that measure.
Are Prefect and puppetry free?
Both are open source. Prefect is licensed under Apache-2.0 and puppetry under MIT. Neither carries a licence fee.
What is the difference between Prefect and puppetry?
Prefect is written in Python and puppetry in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Prefect or puppetry?
Choose Prefect if you want the larger community (23,882 stars) or its Apache-2.0 licence terms. Choose puppetry if its feature set, stack or MIT licence fits better. Both are self-hostable.