Source description: “Adds WordPress login and admin protections, including CAPTCHA, login lock, login alerts, renamed login URLs, and SiteGuard WAF…” Deployment: WordPress 6.0 / PHP not specified. Listed version 1.8.9. 500,000 active installations reported by WordPress.org.
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Source description: “Really Simple CAPTCHA is a CAPTCHA module intended to be called from other plugins. It is originally created…” Deployment: WordPress 7.1 / PHP 8.3. Listed version 2.5. 300,000 active installations reported by WordPress.org.
Source description: “Captcha protection against spam comments & brute force login attacks using Google reCAPTCHA.” Deployment: WordPress 4.9 / PHP 5.2. Listed version 5.42. 200,000 active installations reported by WordPress.org.
Source description: “Adds reCaptcha v2 from Contact Form 7 5.0.5 that was dropped on Contact Form 7 5.1”. Deployment: WordPress 4.9 / PHP not specified. Listed version 1.5.0. 200,000 active installations reported by WordPress.org.
Source description: “Add Cloudflare Turnstile to WordPress, WooCommerce, Contact Forms & more. The user-friendly, privacy-preserving reCAPTCHA alternative. 100% free!” Deployment: WordPress 4.7 / PHP not specified. Listed version 1.44.0. 200,000 active installations reported by WordPress.org.
Source description: “Protect WordPress website forms from spam entries with Google reCAPTCHA.” Deployment: WordPress 6.5 / PHP not specified. Listed version 1.87. 100,000 active installations reported by WordPress.org.
Source description: “Use CAPTCHA to stop spam and allow customers & users to interact with your website easily. Block fake…” Deployment: WordPress 5.5 / PHP 7.4. Listed version 7.6.2. 100,000 active installations reported by WordPress.org.
Source description: “GDPR compatible captcha anti-spam protection for login form, comments form, registration form & lost password form. Eliminate spam…” Deployment: WordPress 3.0 / PHP 5.2. Listed version 3.33. 100,000 active installations reported by WordPress.org.
Source description: “Protect Contact Form 7 forms from spam with Google reCAPTCHA v2, reCAPTCHA v3, hCaptcha or Cloudflare Turnstile.” Deployment: WordPress 6.2 / PHP not specified. Listed version 0.2.0. 100,000 active installations reported by WordPress.org.
Source description: “Use reCaptcha v2 by Google to combat spam at your login and registration forms, WooCommerce account forms, contact…” Deployment: WordPress 4.5 / PHP 7.1. Listed version 1.3.2. 80,000 active installations reported by WordPress.org.
Source description: “The strongest CAPTCHA. Switch from reCAPTCHA and Turnstile for free. Works with 60+ integrations: Contact Form 7, Elementor,…” Deployment: WordPress 6.0 / PHP 7.4. Listed version 5.4.1. 70,000 active installations reported by WordPress.org.
Source description: “Adds an Image CAPTCHA to Contact Form 7 and WPForms, GDPR ready, perfect WPForms or Contact Form 7…” Deployment: WordPress 4.7 / PHP 7.0. Listed version 3.3.29. 70,000 active installations reported by WordPress.org.