head to head · open source
GrowthBook vs Procaptcha
GrowthBook has 8,376 GitHub stars, 849 forks, 793 open issues and last shipped yesterday. Procaptcha has 300 stars, 10 forks, 39 open issues and last shipped yesterday. GrowthBook leads on adoption by 2,692% (8,376 vs 300 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 | ★ 8.4K | ★ 300 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 849 | ⑂ 10 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GrowthBook if
- You weight community size — 8.4K 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
GrowthBook is an open source platform for feature flags, A/B experimentation, and product analytics that product, data, and platform teams can either consume through a hosted cloud account or run entirely on their own infrastructure.
read the full GrowthBook overview →
About Procaptcha
Procaptcha is an open source, frictionless CAPTCHA and bot defense library for web developers who need human verification without the data collection and vendor lock in of reCAPTCHA or hCaptcha.
read the full Procaptcha overview →
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Frequently asked questions
Is GrowthBook or Procaptcha more popular?
GrowthBook has 8,376 GitHub stars and Procaptcha has 300. 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 (8,376 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.