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 4.9.4 Updated 3 weeks ago

Astounding Spam Prevention

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

Will Jenkins 100+ active installations Tested with 4.8.5 Updated 4 months ago

SiteBrains Interactive Spam Blocker

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

SiteBrains 80+ active installations Tested with 3.2.1 Updated 6 years ago

ARS Reg Secure

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

Ari Rodriguez Fewer than 10 active installations Tested with 3.8.25 Updated 4 years ago