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This plugin enables you to use a Google reCAPTCHA contact form on your blog.

By: tcrDev.

(5)
Last Updated: 4 years ago
2,000+ active installs
Compatible up to: 3.4.2

An easy to use wordpress Captcha plugin to prevent spam on your site. You can use Image Captcha to protect comments and the admin panel.

By: Captcha Soft.

(4)
Last Updated: 2 years ago
2,000+ active installs
Compatible up to: 3.9.14

Plugin to reject spam. Port from same author from http://www.phpbbantispam.com Actually visits the URL from commenter to spider for spamwords.

By: Ramon Fincken.

(2)
Last Updated: 4 weeks ago
2,000+ active installs
Compatible up to: 4.6.1

Stop spam with a fun game instead of distorted text! PlayThru works effortlessly on blog comments, registration pages, lost password forms, and more.

By: areyouahuman.

(26)
Last Updated: 1 year ago
2,000+ active installs
Compatible up to: 3.7.16

MP Spam Be Gone is the simplest, most effective Spam blocker.

By: MikesPickz.

(1)
Last Updated: 5 years ago
1,000+ active installs
Compatible up to: 3.3.2

Client-side javascript blocks all spam bots. XHTML 1.1 compliant. Now with support for WordPress Versions 3.1+

By: azizmb, , and Donncha O Caoimh.

(3)
Last Updated: 4 years ago
1,000+ active installs
Compatible up to: 3.3.2

Powerful and invisible fighter against comment spam.

By: kahi.

(0)
Last Updated: 6 years ago
1,000+ active installs
Compatible up to: 3.0.5
(3)
Last Updated: 10 months ago
1,000+ active installs
Compatible up to: 4.4.5

This antispam plugin provides very simple(one-click) and powerful captcha for your blog.

By: ref.

(2)
Last Updated: 2 years ago
1,000+ active installs
Compatible up to: 4.0.13

This plugin removes all HTML tags, BBCode tags and links from added comments (including link to author's website)

By: Daniel Fru?y?ski (sirzooro).

(1)
Last Updated: 5 years ago
1,000+ active installs
Compatible up to: 3.2.9

This plugin allows WordPress to block over 95% of spam comments using a time-based hash.

By: Steven de Salas.

(0)
Last Updated: 4 years ago
1,000+ active installs
Compatible up to: 3.4.2

Integrates reCAPTCHA anti-spam methods with WordPress sites using BuddyPress plugin, including comment and registration spam protection.

By: elrata_.

(3)
Last Updated: 2 months ago
1,000+ active installs
Compatible up to: 4.6.1

Defensio is an advanced spam, malicious content and profanity filtering web service that learns and adapts.

By: Websense Inc..

(1)
Last Updated: 5 years ago
1,000+ active installs
Compatible up to: 3.3.2

Block 250+ spam sites, such as semalt.com and 4webmasters.org! Keep your website safe and your Google Analytics statistics clean and accurate.

By: Roger Rodrigo.

(4)
Last Updated: 1 year ago
1,000+ active installs
Compatible up to: 4.2.10
(2)
Last Updated: 2 years ago
1,000+ active installs
Compatible up to: 4.1.13

Stop spam with a fun, fast mini-game CAPTCHA! FunCaptcha is free, and works on every desktop and mobile device. For BuddyPress, Ninja Forms, Gravity F

By: swipeads.

(18)
Last Updated: 2 years ago
1,000+ active installs
Compatible up to: 4.1.13

Add captcha to forms easily, comment form, login form, register form, rest password form, easy to use and translate ready, no spam comments!

By: Alobaidi.

(10)
Last Updated: 1 month ago
1,000+ active installs
Compatible up to: 4.6.1

The whole idea to this plugin is to keep spammer robots from posting on your blog, reducing the space taken by spam messages in the database, and prev

By: Mike.

(0)
Last Updated: 6 years ago
1,000+ active installs
Compatible up to: 3.0.5

With the release of WordPress 2.8 development of Yawasp is discontinued!!! For further protection against automated Spambots please checkout the succe

By: kubi23.

(0)
Last Updated: 7 years ago
1,000+ active installs
Compatible up to: 2.7.1

The Advanced WordPress Security plugin Developed by World Web Arts to protect your wordpress website from virus and malicious attack by permission set

By: World Web Arts.

(2)
Last Updated: 2 years ago
900+ active installs
Compatible up to: 3.9.14

Very light invisible method to block auto-spam when spam comment is posted. Pings and trackbacks cheks for real backlink.

By: Tkama.

(4)
Last Updated: 2 years ago
800+ active installs
Compatible up to: 4.0.13

WordPress plugin to fight with 450+ referrer spammers (like semalt, buttons-for-website and many more).

By: rolandinsh.

(2)
Last Updated: 3 weeks ago
800+ active installs
Compatible up to: 4.6.1

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