Block-Spam-By-Math

By : greymfm76

This plugin protects registration, login and comment forms from spambots by adding a simple math question to it ("what is 4+3 ?"). This approach should give you 100% anti-spam protection to your sites.

WP-SpamFree Anti-Spam

An extremely powerful WordPress anti-spam plugin that eliminates blog comment spam, including trackback and pingback spam. Finally, you can enjoy a spam-free WordPress blog! Includes spam-free contact form feature as well....

Similar: 43%

WP-Hashcash Extended

No More Spam WP Hashcash is an antispam plugin that eradicates comment spam on WordPress blogs. It works because your visitors must use obfuscated javascript to submit a proof-of-work that indicates they opened your website in a web browser, not a robot. If the javascript check fails, WP Hashcash n.........

Similar: 32%

NoSpamNX

There have been many new good ideas of fighting automated Spam in WordPress. Most of these Plugins (like the antecessor of NoSpamNX: Yawasp) change the name of one (or more) of your comment field. On the one hand, this is indeed more effective, but on the other hand, this goes to the expense of comp.........

Similar: 28%

WP Spam Fighter

This plugins prevents comment spam without requiring you to moderate all comments or your users to use user-unfriendly captchas or answer stupid arithmetic questions. It works using two methods (which can be combined). It boils down to the following behavioral patterns normal comment authors (not s.........

Similar: 14%

Captcha Bank - Solid Security & Advanced Protection

Captcha Bank = Tough on Bots, Easy on Humans WP Captcha Bank - Best Captcha Plugin is a powerful WordPress shield which allows you to protect your WordPress website from SPAM. You can display Captcha on Login Form, Registration Form, Comment Form, Admin Comment form, Contact Bank Form and Hide Capt.........

Similar: 14%

NoMoreCaptchas

NoMoreCaptchas is enterprise-level spam protection for sites of all sizes. Put an end to those annoying Captcha codes that slow down or even send away your users! NoMoreCaptchas authenticates human beings and blocks bots based on the one thing that can never be faked - their behavior....

Similar: 11%

SiteBrains Interactive Spam Blocker

Block spam using state of the art client-side form validation. SiteBrains plug-in displays themed notifications to your users as they type. Our analysis is signed using a secret key unique to your domain. The signed analysis is submitted in a hidden field along with the rest of the form fields. This.........

Similar: 10%

WP-SpamShield Anti-Spam

An exceptionally powerful and user-friendly WordPress anti-spam plugin that eliminates comment spam, trackback spam, contact form spam & registration spam....

Similar: 8%

Google Captcha (reCAPTCHA) by BestWebSoft

Google Captcha (reCAPTCHA) plugin allows you to implement a super security Captcha into web forms. Google Captcha (reCAPTCHA) is a free CAPTCHA service that helps to digitize books, newspapers older radio shows. This plugin can be used for login, registration, password recovery, comments forms. .........

Similar: 7%

Ads Manager WP/BB

Use this plugin to quickly and easily insert Any Ad code Unit to your posts and BuddyPress sections including Forum topics....

Similar: 5%