Advanced, lightweight, GDPR-compliant anti-spam protection for WordPress comments. No setup required.
Alternatives to Kratos Anti Spam
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.
Feel safe knowing that your website is safe from spam. La Sentinelle will guard your WordPress website against spam in a simple and effective way.
Fastest growing Anti Spam plugin. No API calls, subscriptions, captcha or puzzle. Full GDPR complaint. For comments, contact form, login, registration
Stop spam on your WordPress forms — no CAPTCHA required. Invisible to real users.
Stop spam and AI bot attacks from your contact forms. No CAPTCHA, no friction. Bots are blocked silently while real inquiries get through.
Stop comment spam in WordPress with the honeypot technique. No captcha, no setup, lightweight and invisible to your visitors.
Stop comment spam, fake registrations and form bots with invisible behavioral verification — no puzzles, no checkboxes, zero PII.
Lightweight anti-spam protection for Contact Form 7 without CAPTCHA. More details: https://gregbialowas.com/anti-spam-cf7
Invisible spam protection for comments and forms — no CAPTCHA, ever shown to visitors.
Stop Contact Form 7 spam with honeypot protection, automatic IP blocking, duplicate submission prevention, disposable email filtering, rate limiting, …