Stop user to submit a web address on the very first comments on any post and send those comments to spam folder.
This plugin protects your registration, login and comment forms against spambots with a simple math question.
Enhance your Gravity Forms to include anti-spam measures originally based on the work of David Walsh's "Zero Spam" technique.
This plugin is discontinued now. Sorry!
Our captcha is the free unique anti-spam solution. This captcha does not require any text typing. Moreover, the captcha contains social features.
Close comments, pingbacks and trackbacks on your posts automatically at intervals set by you
This is a simple plugin that adds a recaptcha validation to the bbPress 2.0 topic creation and topic reply forum.
Super-lightweight plugin adds Google's No Captcha reCAPTCHA box to your BuddyPress registration form. Tough on bots, Easy on humans!
Secure & Monetize your site with Solve Media's CAPTCHA replacement.
Provides a configurable limit on the length of comments left in the comment form, with a dynamically updated character count displayed for the user.
Add captcha to forms easily, comment form, login form, register form, rest password form, easy to use and translate ready, no spam comments!
Light & invisible method to block auto-spam when spam comment is posted. Pings and trackbacks cheks for real backlinks.
WangGuard - MailPoet Connector is a plugin for connect WangGuard plugin with MailPoet.
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
With the release of WordPress 2.8 development of Yawasp is discontinued!!! For further protection against automated Spambots please checkout the succe
NURCaptcha inserts a reCAPTCHA on the Register Form of your site to protect it against spambots.
The Advanced WordPress Security plugin Developed by World Web Arts to protect your wordpress website from virus and malicious attack by permission set
Stop your website email addresses from being scraped and harvested by spammers with the best email obfuscator protection available.
Optimize website and increase sales. Watch your visitors in real time, Click Heatmap, Conversion Tracking, Download monitor, Anti-spam, Email Reports
Anti-spam check the robots by behavior. No captcha. Antispam let robots do so as a human can't do.
WHAT'S YOUR REACTION? With Feelback Reactions your audience can express how they are feeling about your content.
Send an email with a validate link to verify the email address before completing the submission.
Kick spam with a highly advanced email validation in comment forms, user registration and contact forms using Mailgun's Email validation service.
This plugin utilizes reCAPTCHA to help your blog stay clear of spam-registrations.
ZigTrap adds a honey trap to your comments form.
Antispam for bbPress 2.x
Returns 'Page Not Found' 404 error message for IP's visiting your blog specified in the IP Ban option on the Discussion Options page.
Stop spam bots from registering, logging in, filling out contact forms and commenting on your site without using annoying Captcha codes or puzzles.
Vicomi comments is a free comment platform with a new cool, stylish graphic interface that replaces your default WordPress comment system.
Upon activation, SpamLord eliminates the potential for automated spam comments, as well as trackback spam.