GateCHA CAPTCHAv1.5.0
Self-hosted ALTCHA proof-of-work CAPTCHA via GateCHA. Protects WordPress forms without cookies, fingerprinting, or third-party services.
Alternatives to Crovly – Proof of Work Captcha & Spam Protection
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.
Mathlock Guardv2.0
Protects your site with a lightweight math CAPTCHA, requiring visitors to solve a simple question before accessing your content.
POWER CAPTCHAv1.2.8
POWER CAPTCHA protects your WordPress website and WordPress forms against bots and unauthorized persons. GDPR compliant!
Protection against bots and spam traffic. Filter bad bots locally, or connect your BlockBots cloud account for real-time cloud-based bot detection.
CaptchaKitv1.0.1
Replace boring CAPTCHAs with fun 10-second mini-games. Bot protection that doesn't frustrate real users.
Professional security plugin protecting WordPress from malicious bots, spam, and server attacks using an advanced Web Application Firewall.
Stop bots with gamified, privacy-first CAPTCHAs. Zero telemetry. Zero tracking. Powered by cryptographic Proof-of-Work. One-click setup.
Replace CAPTCHAs with bank-verified human identity. One-click verification. Users verify once, trusted everywhere.
Math CAPTCHA for CF7, WPForms, and any HTML form. Zero config — install, add shortcode or use auto inject from settings.
A CAPTCHA alternative with no puzzle. Stops fake signups, spam registrations, form spam and card-testing bots, plus VPN, proxy and Tor traffic.