tiagozip/cap
privacy-first, open-source and self-hosted CAPTCHA alternative with PoW and instrumentation challenges.
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Where it stands
Rank, growth pace and release cadence relative to everything GStars tracks.
5 releases in the last 90 days, the latest 1 day ago, with 31 contributors on GitHub.
Peaked at #98 in the weekly ranking the week of Apr 26, its best in the past year.
Use Cases & Benefits
- Provides a lightweight, open-source CAPTCHA alternative using SHA-256 proof-of-work challenges to prevent bots and abuse without visual puzzles.
- Offers a privacy-first, dependency-free solution that is 250x smaller than hCaptcha and can run standalone or embedded invisibly.
- Use for integrating a fast, accessible anti-bot challenge in web applications without compromising user privacy or performance.
- Use for protecting APIs from automated abuse while allowing legitimate machine-to-machine interactions with invisible proof-of-work.
- Use for deploying a self-hosted CAPTCHA service via Docker to maintain full control and customization over anti-abuse defenses.
Should you depend on it?
License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.
License
Other
GitHub could not identify this license; read the LICENSE file before depending on it.
Community files
- README: present
- Contributing guide: present
Watch-outs
- License not identified by GitHub; read the LICENSE file before depending on it.
General guidance from repository metadata, not legal advice. How we score
From the README
Cap is a lightweight, modern open-source CAPTCHA alternative using SHA-256 proof-of-work. It's fast, private, and extremely simple to integrate.
Read the docs, try the demo or read the feature comparison
Cap replaces visual captchas with modern, accessible and privacy-preserving proof-of-work challenges. No images, no tracking, no dependencies, works everywhere.
You can either run it on any JavaScript runtime, or use the standalone mode with Docker. Learn more about how Cap works
Daily snapshots
Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots
Forks
649+115
Open issues
4-7
Compared with peers in Self-Hosted
Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth
| Repository | Stars | +7d | Health | Last release |
|---|---|---|---|---|
| milind-soni/OpenMausBot | 20.6K | +8.4K | 75 | today |
| debpalash/VoiceStudio | 107.3K | +7.2K | 75 | today |
| jub0t/Concat | 16.5K | +2.5K | 75 | 5 days ago |
| DuarteSantos8/openGym | 20.8K | +1.7K | 75 | 7 days ago |
| superplanehq/superplane | 9.8K | +1.0K | 75 | 13 days ago |
| tiagozip/cap | 8.3K | — | 75 | 1 day ago |
| Category median | 20.6K | +2.5K | 75 | — |
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