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Open Source CAPTCHA & Bot Protection Tools using Biome JS

A curated collection of the best open source tools for distinguishing humans from bots (CAPTCHA) and preventing spam. using Biome JS.

Cap

Privacy-first CAPTCHA alternative with proof-of-work

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6,840
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475
Last commit
4 days ago

Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.

Open Source Alternative to:

hCaptcha

Procaptcha

Decentralized CAPTCHA for enhanced web security

Stars
295
Forks
9
Last commit
10 hours ago

A blockchain-based CAPTCHA solution offering improved security, user experience, and resistance to bot attacks for web applications.

Open Source Alternative to:

hCaptcha

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Last commit

Stars
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Stars
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Stars
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Stars
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Last commit

Stars
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Last commit