No spam in comments. No captcha.
Prevent people from registering with emails that contain a subdomain to help reduce spam.
Trick the spambots. Real dynamic JavaScript encryption of your email addresses.
No spam in the Contact Form 7.Add anti-spambot functionality to the CF7,it blocks spam without using CAPTCHA.
Damn Spam is a lightweight anti-spam plugin. Currently highly opinionated - it automatically sends any new comments with links to your spam inbox
Zero Spam makes blocking spam comments and registrations easy.
MP Spam Be Gone is the simplest, most effective Spam blocker.
Extremely simple, 0 configuration and 0 user/admin-interaction anti-spam plugin.
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!
Protect your blog from comment spam and blocks other spam attacks in real time.
No spam in comments. No captcha.
Dead simple and super lightweight anti-spambot Wordpress plugin. No captcha, tricky questions or any other user interaction required at all.
Prevents automated SPAM by requiring visitors to answer a question of your choosing (plaintext or regex).
No spam in comments. blocked by Invisible internal token-code with ajax.This is not used CAPTCHA.
Protect & encode email addresses safely from spambots & spamming. Easy to use - encodes emails out-of-the-box.
Encodes mailto: links and e-mail addresses with JavaScript to stifle
webcrawlers. Automatically turns plaintext e-mails into (enkoded)
links.
Protect email addresses from being harvested by spammers and spambots, obfuscating them. Your visitors can still see email addresses.
Comment spam blocking plugin that blocks 100% of the automated spam with zero false positives.
Protuct your blog about spam comments and instantaneously junk messages.