Stop contact form spam without Google reCAPTCHA. GDPR-friendly behavioral bot protection for Contact Form 7. No external servers. No puzzles.
Alternatives to SolverGuard Spam Shield — Anti-Spam, Bot & Login 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.
Stop comment spam, fake registrations and form bots with invisible behavioral verification — no puzzles, no checkboxes, zero PII.
A CAPTCHA alternative with no puzzle. Stops fake signups, spam registrations, form spam and card-testing bots, plus VPN, proxy and Tor traffic.
A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
LeadShieldv1.0.0
Blocks fake, bot and AI-generated form submissions in real time — before they reach your inbox or CRM. No CAPTCHA. Free plan available.
CaptchaLav1.0.0
Smart privacy-first CAPTCHA for WordPress, WooCommerce, and 14+ form plugins. Mandatory server-token anti-replay.
Invisible behavioral spam filter for comments and forms. No CAPTCHA, no cookies, no external service. Pairs well with your anti-spam plugin.
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 spam on your WordPress forms — no CAPTCHA required. Invisible to real users.
ProofShieldv1.0.28
Block automated abuse on WordPress login, comments, and forms with privacy-friendly, self-hosted Proof-of-Work protection.