Bot Detection and Mitigation Software
Bot Detection and Mitigation Software
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Free, open-source Captcha alternative
ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other solutions, ALTCHA is free, open-source, and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully ...Read more about ALTCHA