head to head · open source
GrowthBook vs Procaptcha
GrowthBook has 8,558 GitHub stars, 890 forks, 793 open issues and last shipped yesterday. Procaptcha has 303 stars, 10 forks, 39 open issues and last shipped yesterday. GrowthBook leads on adoption by 2,724% (8,558 vs 303 stars). GrowthBook is written in TypeScript under a custom or non-standard licence; Procaptcha is written in TypeScript under Apache-2.0. GrowthBook has attracted 10% as many forks as stars, Procaptcha 3%. GrowthBook 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
| GrowthBook | Procaptcha | |
|---|---|---|
| GitHub stars | ★ 8.6K | ★ 303 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 890 | ⑂ 10 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GrowthBook if
- You weight community size — 8.6K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Procaptcha if
- You want the Procaptcha 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 Procaptcha fits your workflow better
About GrowthBook
Open Source Feature Flags, Experimentation, and Product Analytics Create a free GrowthBook Cloud account to get started quickly. Or run it yourself with: Then visit View the full Self Hosting Instructions for more details. This pulls our prebuilt public Docker image and needs no registry credentials. If you instead build the image from the Dockerfile in this repo, its hardened base images come from Docker's dhi.io registry, which requires a one time docker login dhi.io with any free Docker account — see Building from source. Our Philosophy The top 1% of companies spend thousands of hours building their own in…
read the full GrowthBook overview →
About Procaptcha
Prosopo Procaptcha Prosopo Procaptcha is a drop replacement for reCAPTCHA, hCaptcha, and Cloudflare Turnstile that protects user privacy and collects zero data. Sign up for free and get your sitekey today. You need a sitekey to use this library. Get Started See our docs for help setting up Procaptcha on your website or in your app. Development Environment The monorepo for the Prosopo Procaptcha bot protection software includes open source packages associated with Procaptcha. See for devs.md for information on setting up your development environment. You can run this software as a self hosted bot protection…
read the full Procaptcha overview →
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Frequently asked questions
Is GrowthBook or Procaptcha more popular?
GrowthBook has 8,558 GitHub stars and Procaptcha has 303. GrowthBook has the larger community by that measure.
Are GrowthBook and Procaptcha free?
Both are open source. GrowthBook has no licence declared in this registry, and Procaptcha is licensed under Apache-2.0. Both are free to self-host.
What is the difference between GrowthBook and Procaptcha?
GrowthBook is written in TypeScript and Procaptcha 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, GrowthBook or Procaptcha?
Choose GrowthBook if you want the larger community (8,558 stars) or its Custom / other licence terms. Choose Procaptcha if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.