Privacy-first, Proof of Work captcha for WordPress. No image puzzles, no tracking. 22+ integrations included.
Alternatives to CaptchaCore
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.
Stop contact form spam without Google reCAPTCHA. GDPR-friendly behavioral bot protection for Contact Form 7. No external servers. No puzzles.
CaptchaKitv1.0.1
Replace boring CAPTCHAs with fun 10-second mini-games. Bot protection that doesn't frustrate real users.
TrustSig Securityv1.8.6
Stops bots, spam and brute-force attacks on your WordPress forms. No CAPTCHA, no account, no keys. Activate it and you are protected.
Stop comment spam, fake registrations and form bots with invisible behavioral verification — no puzzles, no checkboxes, zero PII.
Shed Turnstilev1.1.2
Centralized Cloudflare Turnstile management with a shared API for other plugins.
JRT CommentShieldv1.0.0
Smart and AI-powered anti-spam protection for WordPress comments. Blocks bots and spam automatically, with optional ChatGPT-based detection.
The most complete free WordPress anti-spam plugin. Protects Contact Form 7, comments, login, registration, REST API, and XML-RPC — all in one shield.
Stop spam on your WordPress forms — no CAPTCHA required. Invisible to real users.
Adds a beautiful math CAPTCHA to the WordPress login page. No API keys, no paid services — 100% free.