Akismet Anti-Spam

Akismet checks your comments and contact form submissions against our global database of spam to…


Automattic 5+ million active installations Tested with 5.4.1 Updated 4 Wochen ago

Antispam Bee

Antispam plugin with a sophisticated tool set for effective day to day comment and trackback…


pluginkollektiv 500'000+ active installations Tested with 5.4.1 Updated 1 Monat ago

Email Address Encoder

A lightweight plugin that protects email addresses from email-harvesting robots, by encoding them into decimal…


Till Krüss 100'000+ active installations Tested with 5.4.1 Updated 2 Monaten ago

Math Captcha

Math Captcha is a 100% effective CAPTCHA for WordPress that integrates into login, registration, comments,…


dFactory 40'000+ active installations Tested with 4.9.14 Updated 2 Jahren ago

WordPress Zero Spam

Zero Spam makes blocking spam comments a cinch. Install, activate and enjoy a spam-free site.…


Ben Marshall 30'000+ active installations Tested with 5.2.6 Updated 12 Monaten ago

CryptX

No more SPAM by spiders scanning you site for email adresses. With CryptX you can…


Ralf Weber 10'000+ active installations Tested with 5.2.6 Updated 7 Monaten ago

Spam Free WordPress

Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.


Todd Lahman, LLC 10'000+ active installations Tested with 4.4.22 Updated 5 Jahren ago

Gravity Forms Zero Spam

Enhance your Gravity Forms to include anti-spam measures originally based on the work of David…


GoWP 9'000+ active installations Tested with 4.9.14 Updated 2 Jahren ago

Spam Destroyer

Kills spam dead in it's tracks. Be gone evil demon spam!


Ryan Hellyer 9'000+ active installations Tested with 5.4.1 Updated 3 Monaten ago

Kama SpamBlock

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


Kama 9'000+ active installations Tested with 4.7.17 Updated 1 Jahr ago

WP-Hashcash

Client-side javascript blocks all spam bots. XHTML 1.1 compliant.


Elliott Back 7'000+ active installations Tested with 3.0.5 Updated 9 Jahren ago