head to head · open source
Cap vs FeatBit
Cap has 7,798 GitHub stars, 579 forks, 10 open issues and last shipped 2 days ago. FeatBit has 1,905 stars, 144 forks, 26 open issues and last shipped yesterday. Cap leads on adoption by 309% (7,798 vs 1,905 stars). Cap is written in JavaScript under a custom or non-standard licence; FeatBit is written in TypeScript under MIT. Cap has attracted 7% as many forks as stars, FeatBit 8%. FeatBit 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
| Cap | FeatBit | |
|---|---|---|
| GitHub stars | ★ 7.8K | ★ 1.9K |
| License | Custom / other | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 579 | ⑂ 144 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Cap if
- You weight community size — 7.8K stars and counting
- You want the Custom / other license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick FeatBit if
- You want the FeatBit feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and FeatBit fits your workflow better
About Cap
Cap is a free, open source, self hosted CAPTCHA replacement that swaps visual puzzles for proof of work and instrumentation challenges, built for developers and site operators who want anti bot protection without shipping their visitors' data to a third party service.
About FeatBit
FeatBit is an open source feature flag management tool written in TypeScript and released under the MIT license. It lives in the continuous delivery and experimentation ecosystem, where teams use feature flags, A/B testing, entitlements, and feature toggles to control software releases. The project is a self hostable feature flag platform, and it provides a web portal, official SDKs, and deployment material for Docker and Kubernetes.
read the full FeatBit overview →
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Frequently asked questions
Is Cap or FeatBit more popular?
Cap has 7,798 GitHub stars and FeatBit has 1,905. Cap has the larger community by that measure.
Are Cap and FeatBit free?
Both are open source. Cap has no licence declared in this registry, and FeatBit is licensed under MIT. Both are free to self-host.
What is the difference between Cap and FeatBit?
Cap is written in JavaScript and FeatBit 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, Cap or FeatBit?
Choose Cap if you want the larger community (7,798 stars) or its Custom / other licence terms. Choose FeatBit if its feature set, stack or MIT licence fits better. Both are self-hostable.