Integrates Picatcha image-identification CAPTCHA - anti-spam solution with WordPress including comment and registration.
TrollGuard is a free WordPress plugin that protects your blog from spam comments.
Block SPAM without any type of CAPTCHA - plugin add "HoneyTrap" (and a few other tricks) for comment form to block SPAMbots.
With this wp antispam plugin you can stop spammers commenting on your blog with poor comments looking for links.
This plugin adds a new form of captcha to your Buddy Press registration and comment forms. Use this plugin to prevent bots from spamming your website
This plugin allows you to implement Google reCAPTCHA (CAPTCHA) into your web forms.
This plugin adds the ease of use and security of Picatcha's Pix-Captcha to your Gravity Forms in WordPress. Why settle for a difficult to use tex
Geo-Captcha shows a captcha image only to countries you don't trust. Geo-Blacklists allows you to disable comments for some countries.
The most lightweight Google reCAPTCHA v2 comment anti-spam plugin!
Keep Your Site Happy, add Khush Captcha Anti-SpamBot Technology to your WordPress Registration and Comment Forms.
Make users Read More related posts and protect WordPress from spam. Displays extracts from blog posts or useful messages.
Сaptcha generated numbers and latin characters. Designed for use in custom forms and displays a simple shortcode, and connect to log form.
antispam question for signup and comment forms of wordpress, set by admin, supports Multisite mode
Are you frustrated by using CAPTCHAS in comments? We provide you a good and simple solution to combat bot spam and human spam without captcha or calcu
CAPTCHA with the sophistication of video advertising that protects your website from spam. Make money as we take human verification to the next level.
The plugin sends an email message when a comment goes to the spam folder.
Tolero wordpress blog spam filter checks the submiter's bahavior. To operate properly it should have a physical access to the apache log file.
Prevent people from registering with emails that contain a subdomain to help reduce spam.
Block unwanted visitors from viewing your WordPress site.
Captchelfie - Captcha by Selfie. Now with social capabilities.
minteye - STOP SPAM, MAKE MONEY!
WPshore Contact Form 7 Spam Prevention helps you manage your Inbox to keep it free of unwanted e-mail messages.
防止垃圾评论插件,点击正确的图形提交评论,仿"Clickcha"(Click on the Right picture to submit comments,to prevent spam comme
Integrates μcaptcha with WordPress, including comment and login/registration forms.
How to make your audience read more and Protect your blog form spam?. By displaying extracts from blog posts or simple messages in a CAPTCHA alternati
Provides better email validations to protect your blog from spam comments and bots creating accounts.
Pass comments through the BotScout API and flag spam comments where appropriate.
Shortcode for simple email address obfuscation using CSS.