head to head · open source
Flagsmith vs Friendly Captcha
Flagsmith has 6,638 GitHub stars, 595 forks, 711 open issues and last shipped yesterday. Friendly Captcha has 37 stars, 17 forks, 2 open issues and last shipped yesterday. Flagsmith leads on adoption by 17,841% (6,638 vs 37 stars). Flagsmith is written in Python under BSD-3-Clause; Friendly Captcha is written in TypeScript under MPL-2.0. Flagsmith has attracted 9% as many forks as stars, Friendly Captcha 46%. 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 | Friendly Captcha | |
|---|---|---|
| GitHub stars | ★ 6.6K | ★ 37 |
| License | BSD-3-Clause | MPL-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 595 | ⑂ 17 |
| 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 Friendly Captcha if
- You want the Friendly Captcha feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Friendly Captcha 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 Friendly Captcha
Friendly Captcha SDK The SDK that is used to integrate Friendly Captcha v2 into your website. This is the code that runs on your website, inserting the captcha widget. ☝️ This is the SDK for Friendly Captcha v2 only . If you are looking for the v1 SDK, you can find that here. Installation You can then use it in your library. CommonJS You can also require the SDK if your environment uses CommonJS. Documentation The documentation can be found in our Developer Hub, and the Getting Started guide. Development If you want to develop this SDK itself the following commands are useful sdktest We include more proper end…
read the full Friendly Captcha overview →
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Frequently asked questions
Is Flagsmith or Friendly Captcha more popular?
Flagsmith has 6,638 GitHub stars and Friendly Captcha has 37. Flagsmith has the larger community by that measure.
Are Flagsmith and Friendly Captcha free?
Both are open source. Flagsmith is licensed under BSD-3-Clause and Friendly Captcha under MPL-2.0. Neither carries a licence fee.
What is the difference between Flagsmith and Friendly Captcha?
Flagsmith is written in Python and Friendly Captcha 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 Friendly Captcha?
Choose Flagsmith if you want the larger community (6,638 stars) or its BSD-3-Clause licence terms. Choose Friendly Captcha if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.