Stop spam on every form, comment, review, signup and WooCommerce checkout, with no CAPTCHA and no external calls. Card-testing defense built in.
Alternatives to Humainbox – AI Spam Filter for Contact Forms
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
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Stop comment spam, fake registrations and form bots with invisible behavioral verification — no puzzles, no checkboxes, zero PII.
Free captcha for WordPress that replaces Google reCAPTCHA, hCaptcha and Cloudflare Turnstile. No puzzles, and nothing leaves your server.
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A powerful spam protection plugin for Contact Form 7 that blocks bots, spam submissions, VPN users, repeated attempts, and automated attacks — without …
Spam protection for comments, login, registration, WooCommerce and form plugins. Hosted in Germany, no cookies, no image puzzles.
Stops spam in comments, registration, WooCommerce and contact forms. No CAPTCHA, no external services. Formerly WP Spam Protecter. Free.