head to head · open source
Flagsmith vs Procaptcha
Flagsmith has 6,638 GitHub stars, 595 forks, 711 open issues and last shipped yesterday. Procaptcha has 303 stars, 10 forks, 39 open issues and last shipped yesterday. Flagsmith leads on adoption by 2,091% (6,638 vs 303 stars). Flagsmith is written in Python under BSD-3-Clause; Procaptcha is written in TypeScript under Apache-2.0. Flagsmith has attracted 9% as many forks as stars, Procaptcha 3%. Flagsmith 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
| Flagsmith | Procaptcha | |
|---|---|---|
| GitHub stars | ★ 6.6K | ★ 303 |
| License | BSD-3-Clause | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 595 | ⑂ 10 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Flagsmith if
- You weight community size — 6.6K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Python
- 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 Flagsmith
Try our interactive demo Flagsmith is an Open Source Feature Flagging Tool to Ship Faster & Control Releases Change the way your team releases software. Roll out, segment, and optimise—with granular control. Stay secure with on premise and private cloud hosting. Feature flags: Release features behind the safety of a feature flag Make changes remotely: Easily toggle individual features on and off, and make changes without deploying new code A/B testing: Use segments to run A/B and multivariate tests on new features Segments: Release features to beta testers, collect feedback, and iterate Organisation management…
read the full Flagsmith 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 Flagsmith or Procaptcha more popular?
Flagsmith has 6,638 GitHub stars and Procaptcha has 303. Flagsmith has the larger community by that measure.
Are Flagsmith and Procaptcha free?
Both are open source. Flagsmith is licensed under BSD-3-Clause and Procaptcha under Apache-2.0. Neither carries a licence fee.
What is the difference between Flagsmith and Procaptcha?
Flagsmith is written in Python 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, Flagsmith or Procaptcha?
Choose Flagsmith if you want the larger community (6,638 stars) or its BSD-3-Clause licence terms. Choose Procaptcha if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.