#1 super security anti-spam captcha plugin for WordPress forms.
An exceptionally powerful WordPress anti-spam plugin that eliminates comment spam, trackback spam, contact form spam & registration spam.
Spam protection, antispam, all-in-one, premium plug-in. No comments spam & registrations spam, no email spam, protects any forms. Forget spam.
Aggressive anti-spam plugin that eliminates comment spam, trackback spam, contact form spam and registration spam. Protects against malicious attacks.
The plugin adds a No CAPTCHA reCAPTCHA tag in Contact Form 7, which can be used to include a No CAPTCHA reCAPTCHA anti-spam field.
Enhance your Gravity Forms to include anti-spam measures originally based on the work of David Walsh's "Zero Spam" technique.
WordPress plugin to fight with 400 referrer spammers (like semalt, buttons-for-website and many more).
Email verification for all forms Woocommerce, Contact Form 7 etc. SMS and Mobile Verification for all forms. Enterprise grade. Active Support.
Stop spam bots from registering, logging in, filling out contact forms and commenting on your site without using annoying Captcha codes or puzzles.
Notify a user about when he sent comment or form via Contact Form 7 and automatically blocked spammer IP by notifier users.
Zero Spam makes blocking spam comments and registrations easy.
Easiness and effectiveness are the keys for a valid Captcha control. DC generates appealing captcha for your WP blog without compromising usability.
Prevent people from registering with emails that contain a subdomain to help reduce spam.
This plugin helps block bogus registrations by allowing a custom registration field and answer.