Block SPAM without any type of CAPTCHA - plugin add "HoneyTrap" (and a few other tricks) for comment form to block SPAMbots.
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
Prevent people from registering with emails that contain a subdomain to help reduce spam.
Block unwanted visitors from viewing your WordPress site.
No spam in comments. blocked by Invisible internal token-code with ajax.This is not used CAPTCHA.
Prevents automated SPAM by requiring visitors to answer a question of your choosing (plaintext or regex).
Extremely simple, 0 configuration and 0 user/admin-interaction anti-spam plugin.