GNA Google reCAPTCHA

This plugin allows you to implement Google reCAPTCHA (CAPTCHA) into your web forms.


Chris Dev 20+ active installations Tested with 4.7.23 Updated 6 years ago

Concise Antispam

Very simple antispam plugin. Users do not need to enter any captcha, working completely on…


Concise Studio 20+ active installations Tested with 5.9.3 Updated 6 months ago

Tolero spam filter

Spam filer works by checking a user behavior via webserver log file.


Roman Balitsky 10+ active installations Tested with 2.1.2 Updated 15 years ago

Geo-Captcha & Geo-Blacklist

Geo-Captcha shows a captcha image only to countries you don't trust. Geo-Blacklists allows you to…


Deformed Design 10+ active installations Tested with 3.2.1 Updated 10 years ago

Slide Captcha

Slide Captcha it is a WordPress plugin that add a slide captcha field to the…


Andrejj derevjanko 10+ active installations Tested with 4.7.23 Updated 5 years ago

RIDEN

Protect your site from spammers and bots with RIDEN’s "neighborhood watch".


RIDEN Software Corp. 10+ active installations Tested with 4.9.20 Updated 4 years ago

WPC – Antispam Bot

This plugin translate your email address into a link with encoded string.


WP Clinique 10+ active installations Tested with 5.7.6 Updated 1 year ago

SimpleForm reCAPTCHA

Protect your contact form from spam with Google reCAPTCHA before submission.


WPSForm Team 10+ active installations Tested with 5.9.3 Updated 1 month ago

WP Stop Forum Spam

For test how it work simply install it and try to make a new comment…


Salvatore Noschese - DarkWolf 10+ active installations Tested with 3.5.2 Updated 9 years ago

Comment Form Access

This plugin gives two methods to limit access to comment form, that one can use…


Michel Boucey 10+ active installations Tested with 3.2.1 Updated 11 years ago

Super Simple SPAM Stopper

Prevents automated SPAM by requiring visitors to answer a question of your choosing (plaintext or…


Ben Gribaudo, LLC 10+ active installations Tested with 4.4.27 Updated 6 years ago

μcaptcha

Integrates μcaptcha with WordPress, including comment and login/registration forms.


Luis Leiva 10+ active installations Tested with 5.4.10 Updated 2 years ago

Anti-Spam Zapper for WordPress

Anti-Spam Zapper will automatically remove spam comments and block spambots without annoying CAPTCHAs. Protect your…


DesignSmoke Web Design 10+ active installations Tested with 5.1.13 Updated 3 years ago

ClickChina

防止垃圾评论插件,点击正确的图形提交评论,仿"Clickcha"(Click on the Right picture to submit comments,to prevent spam comments,as clickcha)


liming 10+ active installations Tested with 3.2.1 Updated 11 years ago

NF Captcha

NF Captcha adds Really Simple CAPTCHA element for human check.


Jens Brunnert 10+ active installations Tested with 4.4.27 Updated 6 years ago