Spambot
2 plugins tagged with spambot
PRyC WP: AntiSPAM (without CAPTCHA)
Block SPAM without any type of CAPTCHA - plugin add "HoneyTrap" (and a few other tricks) for comment form to block SPAMbots.
100 4K+
Damn Spam
Damn Spam is a lightweight anti-spam plugin. Currently highly opinionated - it automatically sends any new comments with links to your spam inbox
10 1K+