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 4.7.10 Updated 2 years ago

Contact Form 7 Image Captcha

Adds a clean image captcha to Contact Form 7


KC Computing 7,000+ active installations Tested with 4.9.6 Updated 5 months ago

Anti-Captcha (anti-spam botblocker)

Anti-Captcha is a transparent spam solution that does not require any end-user interaction.


Filidor Wiese 6,000+ active installations Tested with 4.0.0 Updated 4 years ago

Kama SpamBlock

Light and invisible method to block auto-spam when spam comment is posted. Pings and trackbacks…


Kama 5,000+ active installations Tested with 4.7.10 Updated 4 weeks ago