Akismet

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


Automattic 3+ million active installs Tested with 4.7.3 Updated 1 month 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 4.7.3 Updated 1 month ago

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

All-in-one WordPress spam protection, with NO CAPTCHAs, challenge questions or other inconvenience to site visitors.


Scott Allen 100,000+ active installs Tested with 4.7.3 Updated 5 hours 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 4.7.3 Updated 4 months ago

Spam Free WordPress

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


Todd Lahman, LLC 60,000+ active installs Tested with 4.4.8 Updated 2 years ago

Spam FireWall, Anti-Spam by CleanTalk

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


СleanTalk <welcome@cleantalk.org> 50,000+ active installs Tested with 4.7.3 Updated 4 days ago

Growmap Anti Spambot Plugin

Defeat automated spambots (even the new 'learning' bots with dynamically named hidden fields) by adding…


Andy Bailey 40,000+ active installs Tested with 4.0.16 Updated 2 years ago

WP-SpamFree Anti-Spam

Powerful anti-spam plugin that eliminates blog comment spam. Finally, you can enjoy a spam-free WordPress…


WP-SpamFree 40,000+ active installs Tested with 4.5.7 Updated 6 months ago

Stop Spammers Spam Prevention

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 4.5-alpha Updated 12 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 4.6.4 Updated 3 months ago

Stop Spam Comments

Dead simple and super lightweight anti-spambot WordPress plugin. No captcha, tricky questions or any other…


Pino Ceniccola 10,000+ active installs Tested with 4.4.8 Updated 1 year ago

NoSpamNX

To protect your Blog from automated spambots, this plugin adds invisible formfields to your comment…


Sven Kubiak 10,000+ active installs Tested with 4.7.3 Updated 2 months ago

Invisible Captcha

Smart invisible captcha for wordpress comments


Andrey Sorvin 10,000+ active installs Tested with 3.5.2 Updated 4 years 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 4.7.3 Updated 1 month ago