Anti-spam Reloaded
No spam in comments. No captcha.
Plugin Tag፥ comment spam
Human Presence – Stop Form Spam Without ReCaptcha
The #1 Plugin for Blocking Form Spam on WordPress
Anti Spam by Fullworks
WordPress anti spam plugin that eliminates automated comment spam without reCAPTCHA or quizes. The ultimate…
WP referrer spam blacklist (fight 2040+ Referrer Spammers in (Google/Matomo) Analytics)
WordPress plugin to fight with 2040+ referrer spammers (like semalt, buttons-for-website and many more).
LH Zero Spam
Zero Spam makes blocking spam comments and registrations easy.
SPAM Protection and Anti SPAM
SPAM Protection and Anti SPAM against comments, registrations and login. Content protection for your website.
Disable Author Url and Comment Links
Disable Author Url and Comment Links : DAUnCL helps you keep your comments clean from…
Stop Comment Form Spam
New WordPress 3.6 or higher plugin which removes the website url field and comment form…
SpamJam
SpamJam stops comment spam and registration spam so you can sit back and enjoy your…
Language-based Comment Spam Condom
This plugin prevents comments spamming using language verification.
FastComments
A fast, live comment system that will delight your users and developers. FastComments prioritizes speed…
WP-Check Spammers
Check comment against the SpamBot Search Tool using the IP address, the email and the…
Simplest comment spam catcher
Add a hidden “honeypot” field to comment forms, to help combat comment spam.
JSE Captcha
JSEcoin Captcha plugin adds the JSE captcha spam prevention tool to your website. The captcha…
O RLY
O RLY Comment Spam Search creates a quick link to make sure comments aren't spam.
Spam Trap for Contact Form 7
This plugin adds spam checks to catch contact form 7 spam. It does so in…
Damn Spam
Damn Spam is a lightweight anti-spam plugin. Currently highly opinionated – it automatically sends any…
Spam_BLIP
Spam BLIP stops comment spam before it is posted, using DNS blacklists, existing comments marked…
Sz Comment Filter
No spam in comments. blocked by Invisible internal token-code with ajax.This is not used CAPTCHA.
Fortify
No spam in comments. No captcha.