Akismet

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


Automattic 3+ million active installs Tested with 4.7.5 Updated 2 weeks ago

Antispam Bee

Easy and extremely productive spam-fighting plugin with many sophisticated solutions. Includes protection against trackback spam…


pluginkollektiv 200,000+ active installs Tested with 4.7.5 Updated 1 month ago

Contact Form 7 Honeypot

Contact Form 7 Honeypot – Adds honeypot anti-spam functionality to CF7 forms.


Nocean 100,000+ active installs Tested with 4.7.5 Updated 6 months ago

WP-SpamShield Anti-Spam – All-in-One Spam Protection

All-in-one WordPress spam protection, with NO CAPTCHAs or other inconvenience to site visitors. The #1…


Scott Allen 100,000+ active installs Tested with 4.7.5 Updated 7 days ago

Google Captcha (reCAPTCHA) by BestWebSoft

Protect WordPress website forms from spam entries with Google reCaptcha.


BestWebSoft 90,000+ active installs Tested with 4.7.5 Updated 1 week ago

Email Address Encoder

A lightweight plugin to protect email addresses from email-harvesting robots by encoding them into decimal…


Till Krüss 80,000+ active installs Tested with 4.7.5 Updated 6 months ago

Spam protection FireWall, AntiSpam by CleanTalk

Spam protection, antispam, all-in-one, premium plugin. No spam comments & users, no spam contact form…


СleanTalk 50,000+ active installs Tested with 4.7.5 Updated 4 days ago

Spam Free WordPress

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


Todd Lahman, LLC 50,000+ active installs Tested with 4.4.10 Updated 2 years ago

Stop Spammers

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


Keith P. Graham 30,000+ active installs Tested with 4.7.5 Updated 3 weeks ago

Math Captcha

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


dFactory 20,000+ active installs Tested with 4.7.5 Updated 5 months ago

WordPress Zero Spam

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


Ben Marshall 20,000+ active installs Tested with 4.6.6 Updated 5 months ago

CryptX

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


Ralf Weber 10,000+ active installs Tested with 4.7.5 Updated 4 months ago

WPBruiser {no- Captcha anti-Spam}

An extremely powerful antispam plugin that blocks spam-bots without annoying captcha images.


Mihai Chelaru 10,000+ active installs Tested with 4.7.5 Updated 2 weeks ago