Captcha

1 super security anti-spam captcha plugin for WordPress forms.


simplywordpress 300,000+ active installations Tested with 4.8.3 Updated 2 months ago

Stop Spammers

Aggressive anti-spam plugin that eliminates comment spam, trackback spam, contact form spam, and registration spam.…


Bryan Hadaway 40,000+ active installations Tested with 4.8.3 Updated 3 months ago

SiteBrains Interactive Spam Blocker

SiteBrains blocks spam posts using a completely configurable set of rules. Both interactively as the…


SiteBrains 90+ active installations Tested with 3.2.1 Updated 6 years ago

Astounding Spam Prevention

Very effective anti-spam plugin that eliminates comment spam, and registration spam. Combines many effective methods…


Will Jenkins 20+ active installations Tested with 4.8.3 Updated 1 month ago

ARS Reg Secure

This plugin helps block bogus registrations by allowing a custom registration field and answer.


Ari Rodriguez 20+ active installations Tested with 3.8.23 Updated 4 years ago