Spam Master v7.7.9
Real-time firewall and anti-spam for WordPress. Block spam bots, comments, logins & registrations. No CAPTCHA, no slowdown.
Tags / antibot
antibot
5 WordPress plugins tagged “antibot”. Every result links to a crawlable PlugIndex profile.
Good Question v1.3.1
Simple plugin to stop spam comments and registrations on your site. Adds a question field on the form, easy for humans, but not solvable for the bots.
wk-email-antibot v1.0
Simply enables WordPress shortcode for easily letting you camouflage an email address, hiding it from crawling spiders and bots.
LoginByCall v4.12
A plugin to allow easy sign-up and sign-in on WordPress using your cell phone.
ZeroBot Security – Login Protection, Firewall & Bot Blocker v1.1.1
Free brute-force login protection and XML-RPC blocking, plus an optional bot firewall backed by the live ZeroBot threat network.