Blue Captcha is a powerful and highly customized WordPress plugin that effectively protects your WP blogs from spammers and unwanted persons.
Stop spam bots from registering, logging in, filling out contact forms and commenting on your site without using annoying Captcha codes or puzzles.
Customize your login and password retrieval screens - and still use your theme style sheet. Supports non-coders up to advanced coders.
WordPress Login, Registration, Profile, Password Recovery, Secure Ajax Forms, styled to your need, with options to adjust colors, All bootstrap. Wooh