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 most accurate WordPress anti-spam plugin.


Scott Allen 100,000+ active installs Tested with 4.7.4 Updated 4 days ago

Spam protection FireWall, AntiSpam by CleanTalk

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


–°leanTalk 50,000+ active installs Tested with 4.7.4 Updated 5 days ago

Anti-spam

No spam in comments. No captcha.


webvitaly 100,000+ active installs Tested with 4.9 Updated 5 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 4.7.4 Updated 6 days ago

Contact Form 7

Just another contact form plugin. Simple but flexible.


Takayuki Miyoshi 3+ million active installs Tested with 4.7.4 Updated 2 months ago

Stop Spammers Spam Prevention

Aggressive anti-spam plugin that eliminates comment spam, trackback spam, contact form spam and registration spam. Protects against malicious attacks.


Keith P. Graham 30,000+ active installs Tested with 4.5-alpha Updated 1 year ago

WordPress Zero Spam

Zero Spam makes blocking spam comments a cinch. Install, activate and enjoy a spam-free site. Even supports third-party plugins!


Ben Marshall 20,000+ active installs Tested with 4.6.5 Updated 4 months ago

SI CAPTCHA Anti-Spam

Adds Secure Image CAPTCHA on the forms for comments, login, registration, lost password, BuddyPress, bbPress, wpForo, and WooCommerce checkout.


Mike Challis 300,000+ active installs Tested with 4.7.4 Updated 4 days ago

Caldera Forms – More Than Contact Forms

Responsive form builder for contact forms, user registration and login forms, Mailchimp, and more.


Caldera Labs 60,000+ active installs Tested with 4.7.4 Updated 2 weeks ago

WP-Optimize

WP-Optimize is WordPress's most-installed optimization plugin. With it, you can clean up your database easily and safely, without manual queries.


David Anderson, Ruhani Rabin, Team Updraft 600,000+ active installs Tested with 4.7.4 Updated 2 months ago

Fast Secure Contact Form

An easy and powerful form builder that lets your visitors send you email. Blocks all automated spammers. No templates to mess with.


Mike Challis, Ken Carlson 400,000+ active installs Tested with 4.7.4 Updated 2 months ago