Conditional CAPTCHA

Asks commenters to complete a simple CAPTCHA if they don't have a previously approved comment,…


Samir Shah 8,000+ active installations Tested with 4.7.9 Updated 1 year ago

Math Comment Spam Protection

Asks the visitor making the comment to answer a simple math question. This is intended…


Michael Woehrer 7,000+ active installations Tested with 3.0.5 Updated 8 years ago

Contact Form 7 Image Captcha

Adds a clean image captcha to Contact Form 7


KC Computing 6,000+ active installations Tested with 4.9.4 Updated 1 month ago

Easy Captcha

Several types of captcha to protect your site in one easy to use plugin.


wppal 5,000+ active installations Tested with 3.5.2 Updated 5 years ago

Content Protector

Plugin to protect content on a Page or Post, where users require a password to…


K. Tough 4,000+ active installations Tested with 4.5.13 Updated 2 years ago

KeyCAPTCHA – Social WordPress CAPTCHA

Our captcha is the free unique anti-spam solution. This captcha does not require any text…


Mersane, Ltd 3,000+ active installations Tested with 3.9.23 Updated 3 years ago

reCaptcha Add-On for FormCraft

Add reCaptcha to your FormCraft forms.


nCrafts 3,000+ active installations Tested with 4.9.4 Updated 2 months ago

AlphaOmega Captcha & Anti-Spam Filter

Provides Visually Appealing Captchas to Enhance and Secure your WordPress pages. Fortified with ANTI-SPAM FILTER…


AlphaOmega Plugins 2,000+ active installations Tested with 4.6.10 Updated 1 year ago