Captcha Codev3.33
GDPR compatible captcha anti-spam protection for login form, comments form, registration form & lost password form. Eliminate spam with captcha.
Alternatives to Hercules Recaptcha
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Protect Contact Form 7, WPForms, WooCommerce, login, comments and more with Cloudflare Turnstile, reCAPTCHA, hCaptcha, or no-signup challenges.
Invisible spam protection for every form, login and checkout. No puzzles, no checkboxes, no lost visitors — a CAPTCHA your users never see.
Friendly Captcha is a privacy-first anti-bot solution that protects WordPress website forms from spam and abuse.
Stop spam and bots across WordPress, WooCommerce, WPForms, Contact Form 7, and more with Google reCAPTCHA or Cloudflare Turnstile.
Custom avatar, captcha, and thread interaction system. Custom avatars, comment history, gamification badges, voting, and advanced spam defense.
PS PHPCaptcha WPv1.2.0
Simple PHP-GD based captcha to replace tracking prone systems like Google recaptcha
Self-hosted image CAPTCHA and silent honeypot for Login, Registration, Lost Password, and Comments forms. No API keys, no external services.
Kama SpamBlockv2.0.0
Light and invisible protection against basic automated comment spam. Pings and trackbacks check for real backlinks.
Protect your WordPress forms against spam and bots with Google reCAPTCHA V3 and V2.