No spam in comments. No captcha.
An exceptionally powerful WordPress anti-spam plugin that eliminates comment spam, trackback spam, contact form spam & registration spam.
Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.
A lightweight plugin to protect email addresses from email-harvesting robots by encoding them into decimal and hexadecimal entities.
Defeat automated spambots (even the new 'learning' bots with dynamically named hidden fields) by adding a client side generated checkbox.
Encode mailto links, email addresses, phone numbers and any text to hide them from (spam)bots. Mailto links will be protected automatically.
Zero Spam makes blocking spam comments a cinch. Install, activate and enjoy a spam-free site. Supports Gravity Forms, Ninja Forms, BuddyPress & mo
To protect your Blog from automated spambots, this plugin adds invisible formfields to your comment form.
Dead simple and super lightweight anti-spambot WordPress plugin. No captcha, tricky questions or any other user interaction required at all.
No more SPAM by spiders scanning you site for email adresses. With CryptX you can hide all your email adresses, with and without a mailto-link, by con
Protect email addresses and mailto links from spambots and spamming. Easy to use without configuration.
WP Anti Spam can anti automated spambots or anti spams by"comment","ip","name","email","url".
Comment spam prevention without moderation, captchas or questions
MP Spam Be Gone is the simplest, most effective Spam blocker.
Write email addresses without worrying about spambots and email harvesters.
Blocks referer/referral spam from accessing your site and cleans up your Google Analytics in the process!
Block 250+ spam sites, such as semalt.com and 4webmasters.org! Keep your website safe and your Google Analytics statistics clean and accurate.
Enhance your Gravity Forms to include anti-spam measures originally based on the work of David Walsh's "Zero Spam" technique.
Super-lightweight plugin adds Google's No Captcha reCAPTCHA box to your BuddyPress registration form. Tough on bots, Easy on humans!
With the release of WordPress 2.8 development of Yawasp is discontinued!!! For further protection against automated Spambots please checkout the succe
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.
WordPress plugin to fight with 300 referrer spammers (like semalt, buttons-for-website and many more).
This plugin protects your registered user base by preventing registration with a disposable email addresse (like the ones provided by mailinator).
No spam in the Contact Form 7.Add anti-spambot functionality to the CF7,it blocks spam without using CAPTCHA.
Automatically scatters invisible links to Project Honey Pot spam traps throughout your wordpress blog to help catch and stop spammers.
Protect email addresses from being harvested by spammers and spambots, obfuscating them. Your visitors can still see email addresses.
SiteBrains blocks spam posts using a completely configurable set of rules. Both interactively as the user types and on our servers upon submission.