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Cap

A lightweight, modern open-source captcha

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Upvotes405
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Featured onApril 21st, 2025

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Cap

A lightweight, modern open-source captcha

Cap is a lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work. It's: - ⚑️ 250x smaller than hCaptcha - πŸ”’οΈ Private - 🌈 Fully customizable - πŸ€– PoW-based - 🌳 Fully FOSS - πŸ’¨ Invisible

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Upvotes405
β–² 405View on ProductHunt ⧉
Comments30
30 commentsSee comments on PH ⧉
Product of the Day2nd

star the repo on github! πŸ‘‰ https://github.com/tiagorangel1/cap