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Lightweight open source reCaptcha alternative
GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism and advanced anti-spam filter. - altcha-org/altcha
Unlike traditional solutions, ALTCHA is self-hosted, does not rely on cookies or fingerprinting, and ensures complete user privacy. ALTCHA's default bundle is lightweight, combining all assets, including CSS and the JavaScript Web Worker, into a single file. DistributionSize (GZIPped)ALTCHA (v1.x)17 kBhCaptcha48+ kBreCAPTCHA270+ kBThe default distribution bundle of the WebComponent includes styles and the worker in a single file.
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