head to head · open source
Prefect vs donutbrowser
Prefect has 24,110 GitHub stars, 2,630 forks, 858 open issues and last shipped 2 days ago. donutbrowser has 4,213 stars, 439 forks, 28 open issues and last shipped yesterday. Prefect leads on adoption by 472% (24,110 vs 4,213 stars). Prefect is written in Python under Apache-2.0; donutbrowser is written in Rust under AGPL-3.0. Prefect has attracted 11% as many forks as stars, donutbrowser 10%. donutbrowser was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (orchestration), 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
| Prefect | donutbrowser | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 4.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | Rust |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 2.6K | ⑂ 439 |
| 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 donutbrowser if
- You want the donutbrowser feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Rust
- You evaluated both and donutbrowser fits your workflow better
About Prefect
Installation · Quickstart · Build workflows · Deploy workflows · Prefect Cloud Prefect Prefect is a workflow orchestration framework for building data pipelines in Python. It's the simplest way to elevate a script into a production workflow. With Prefect, you can build resilient, dynamic data pipelines that react to the world around them and recover from unexpected changes. With just a few lines of code, data teams can confidently automate any data process with features such as scheduling, caching, retries, and event based automations. Workflow activity is tracked and can be monitored with a self hosted Prefect…
read the full Prefect overview →
About donutbrowser
Donut Browser Open Source Anti Detect Browser donutbrowser.com Features Unlimited browser profiles: each fully isolated with its own fingerprint, cookies, extensions, and data Anti detect Chromium engine: powered by Wayfern, a privacy focused Chromium fork whose fingerprint spoofing is not detected by Cloudflare, reCaptcha v3, or other browser fingerprinting and anti bot services DNS AdBlocker: block ads, trackers, and other unwanted content with per profile DNS blocking Proxy support: HTTP, HTTPS, SOCKS4, SOCKS5 per profile, with dynamic proxy URLs VPN support: WireGuard configs per profile Local API & MCP…
read the full donutbrowser overview →
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Frequently asked questions
Is Prefect or donutbrowser more popular?
Prefect has 24,110 GitHub stars and donutbrowser has 4,213. Prefect has the larger community by that measure.
Are Prefect and donutbrowser free?
Both are open source. Prefect is licensed under Apache-2.0 and donutbrowser under AGPL-3.0. Neither carries a licence fee.
What is the difference between Prefect and donutbrowser?
Prefect is written in Python and donutbrowser 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, Prefect or donutbrowser?
Choose Prefect if you want the larger community (24,110 stars) or its Apache-2.0 licence terms. Choose donutbrowser if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.