The best captcha alternative. Accessible, Mobile-friendly, and Retina-ready!
Protect your wordpress site with spam registration. DM Confirm Email requires new users to confirm their email addresses.
Enhances the user registration process with complete customization and additional administration options.
Automatically creates a WP user account at checkout, based on customer's email address.
minotaur - Rid the internet of text CAPTCHAs!
Easily add an beautiful tabbed login widget to your site's sidebar.
Add a login widget in your sidebar or login button in any part of your page.
One click registration & login plugin for Twitter? Easy installation? Is it totally free and comes with support? Yeah!
This plugin protects your registered user base by preventing registration with a disposable email addresse (like the ones provided by mailinator).
Fight spam in registration form using color recognition.
Anti-Captcha is a transparent spam solution that does not require any end-user interaction.
All-In-One Login Pack is a collection of 4 components which help to make login & registration forms work with your theme.
This plugin adds a new form of captcha to your Buddy Press registration and comment forms.
Use this plugin to prevent bots from spamming your website
NURCaptcha inserts a reCAPTCHA on the Register Form of your site to protect it against spambots.
Custom login and registration. 自定义登录注册。
RSS link for this tag.