cap
Offensive & PentestingCap is a lightweight, modern open‑source CAPTCHA alternative that replaces visual puzzles with privacy‑preserving proof‑of‑work and instrumentation challenges.
Features
- Proof‑of‑work challenge instead of image puzzles
- Privacy‑first – no telemetry or tracking data sent
- Highly customizable via CSS variables (colors, size, position, etc.)
Recent releases
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About
Stars
6,671
Forks
460
Languages
JavaScript
CSS
Rust
Downloads/week
13,574
↑15%
NPM Maintainers
1
Contributors
26
TypeScript
Types included ✓
Install & Platforms
Install via
docker
Similar tools
Alternative to
reCAPTCHA
hCaptcha
Cloudflare Turnstile