PRyC WP: AntiSPAM (without CAPTCHA) v1.5.2
Block SPAM without any type of CAPTCHA - plugin add "HoneyTrap" (and a few other tricks) for comment form to block SPAMbots.
Tags / spambots
3 WordPress plugins tagged “spambots”. Every result links to a crawlable PlugIndex profile.
Block SPAM without any type of CAPTCHA - plugin add "HoneyTrap" (and a few other tricks) for comment form to block SPAMbots.
NURCaptcha inserts a reCAPTCHA on the Register Form of your site to protect it against spambots.
This plugin validates email in realtime using live connections and aggregated data, by leveraging the ThreatPoint email verification API service.