yaCAPTCHA
yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam from automated…
Merki viðbótar: captcha
Spam Captcha – Safeguard your WordPress website effortlessly with Spam Captcha for WordPress
This plugins avoids spam actions on your website (comments and contact form if you use…
Alobaidi Captcha
Add captcha to forms easily, comment form, login form, register form, rest password form, easy…
Math Quiz
Math Quiz generates dynamic math problem in the comment form to beat spam robots.
Peter’s Custom Anti-Spam
Stop a lot of spambots from polluting your site by making visitors identify a custom…
HumanCaptcha by Outerbridge
HumanCaptcha is a Captcha that uses questions that require human logic to answer them to…
WP Login Image Captcha
Adds an image captcha and honeypot to the WordPress login page
BuddyPress Captcha
This plugin adds Google's reCAPTCHA form to your BuddyPress' registration page to keep your community…
Google reCAPTCHA by Hizzle
Get rid of spammers using this WordPress and WooCommerce reCAPTCHA plugin
Webdesignby Recaptcha
Add Google’s simple checkbox reCAPTCHA to WordPress wp-admin login page.
Captchinoo, admin login page protection with Google recaptcha
Want to verify that your website users are not bots with a very simple way…
Send Denial
Anti-Spam protection for the most popular and widly used formbuilders and plugins. GDPR compliant.
Hiddy captcha 1.5.1
This plugin provides you an easy captcha without javascript, without images, without math. Only a…
WP-NOTCAPTCHA
New kind of human test. Adds CAPTCHA anti-spam method to WordPress on the comment form,…
spam-stopper
The whole idea to this plugin is to keep spammer robots from posting on your…
KeyCAPTCHA – Social WordPress CAPTCHA
Our captcha is the free unique anti-spam solution. This captcha does not require any text…
Skt NURCaptcha
NURCaptcha inserts a reCAPTCHA on the Register Form of your site to protect it against…
WP reCaptcha
Add Google reCaptcha to WordPress forms. Easy to add, advanced security for your forms.
Mimi Captcha
简洁的中文验证码插件。在 WordPress 登陆、注册或评论表单中加入验证码，支持字母、数字、中文和算术形式。 Adds Captcha Code anti-spam methods to WordPress forms. Supports numbers, alphabets and…
Spam Protection Without Captcha
Protect Login, Register, Lost & Reset Password, Comment, woocommerce, CF7, bbpress, BuddyPress forms.