7 plugins tagged with proof-of-work
Stop spam without CAPTCHAs. Proof-of-Work protection for your forms and logins. Open-source, self-hosted, privacy-first.
Privacy-friendly spam protection for comments, login, registration, WooCommerce, and Gravity Forms, powered by your own Cap server.
Self-hosted ALTCHA proof-of-work CAPTCHA via GateCHA. Protects WordPress forms without cookies, fingerprinting, or third-party services.
Lightweight, zero-dependency Proof-of-Work anti-spam protection for WordPress comments.
Privacy-first, Proof of Work captcha for WordPress. No image puzzles, no tracking. 22+ integrations included.
Invisible Proof-of-Work CAPTCHA. No checkboxes, no image grids, no Google, no tracking. Just spam protection that gets out of the way.
High-performance client-side anti-bot protection and Proof-of-Work challenge verification for WordPress without third-party CAPTCHA.