Here in this article, we have showcased the WordPress Captcha plugins collection.
Captcha by BestWebSoft
The plugin allows you to implement super security captcha form into web forms.
Image Captcha
The plugin is a powerful captcha protection for WordPress login and comment forms. Image Captcha – it’s free and easy to use tool that will protect you from spam in the comments and prevent hacking the admin panel. In order to post comments or login, users will have to enter the name of the object in the picture.
Captcha Bank – Solid Security & Advanced Protection
The plugin is an easy to use WordPress security plugin to prevent spam on your site while letting real people pass through with ease.
SI CAPTCHA Anti-Spam
The plugin adds CAPTCHA anti-spam methods to WordPress forms for comments, registration, lost password, login page.
KeyCAPTCHA – Social WordPress CAPTCHA
The plugin is the free unique anti-spam solution. This captcha does not require any text typing. Moreover, the captcha contains social features.
Google Captcha (reCAPTCHA) by BestWebSoft
The plugin allows you to implement Google Captcha (reCAPTCHA) into web forms.
FunCaptcha – Anti-Spam CAPTCHA
The plugin is free, and works on every desktop and mobile device.
Better WordPress reCAPTCHA (with no CAPTCHA reCAPTCHA)
The plugin utilizes Google reCAPTCHA to help your blog stay clear of spams.
Conditional CAPTCHA
The plugin asks commenter to complete a simple CAPTCHA if they don’t have a previously approved comment, or if Akismet thinks their comment is spam.
Math Captcha
The plugin is a 100% effective CAPTCHA for WordPress that integrates into login, registration, comments, Contact Form 7 and bbPress.