Add some useful fields to registration and user's info
Simple Basic Contact Form is a clean, secure, plug-n-play contact form for WordPress.
Spam Master is the Ultimate Spam Protection plugin that blocks new user registrations and post comments with Real Time anti-spam lists.
Contact Coldform is a secure, lightweight and flexible contact form with plenty of options and squeaky clean markup.
Add a honeypot and Google reCAPTCHA V2 (noCAPTCHA CAPTCHA) to the log in form, registration form, and comment form
Integrates reCAPTCHA anti-spam methods with WordPress sites using BuddyPress plugin, including comment and registration spam protection.
Super-lightweight plugin adds Google's No Captcha reCAPTCHA box to your BuddyPress registration form. Tough on bots, Easy on humans!
Inserts Google’s new reCAPTCHA into Infusionsoft web forms
Add any type of forms to your WordPress site quickly using your own HTML code, setup emails, Auto responders, Captcha and more.
Adds CAPTCHA anti-spam methods to WordPress on the forms for comments, registration, lost password, login, or all. For WP, WPMU, and BuddyPress.
The most advanced protection against sploggers and spam users registration, is fully WordPress,WordPress MU ,BuddyPress and bbPress 2.0 compatible
HumanCaptcha is a Captcha that uses questions that require human logic to answer them to the WordPress login form, comments form and registration form
Invites system for wordpress, wordpress MU and buddypress!
Securimage-WP adds powerful CAPTCHA protection to comment forms on posts and pages to help prevent comment spam from getting onto your site.
Securimage-WP-REG adds captcha ptotection from Securimage-WP plugin on register pages.
Contact form plugin, Email with SMTP, SMS notification, CRM database integration , CAPTCHA and easy configuration.
Contact form plugin, with SMTP, SMS notification, CAPTCHA, phone number verification and easy configuration.
Cartpauj Register Captcha does one simple task, and does it well. It prevents SPAM signups through WordPress's default registration form.
Adds Google’s No CAPTCHA reCAPTCHA to bbPress forms.
This plugin adds the reCaptcha form to the WordPress login form, recover password form, register form and comment form.
Adds Graphic Captcha Protection field for login, registration, lost password, comments pages. Perfect antispam solution for your website.
Plugin prevents access to admin area without appropriate access key and adds a higher level of security to your website.
Reduces spam and troll comments by requiring commenters to answer a question.
Secure login with captcha, two factor authentication and brute force attack protection. Temporary and permanent blacklists for more login security
Showing login, register or lost password form modal popup with ajax.
No spam in the Contact Form 7.Add anti-spambot functionality to the CF7,it blocks spam without using CAPTCHA.
This enables the Really Simple CAPTCHA for the cformsII form plugin.
Confident CAPTCHA™ is a clickable, picture CAPTCHA that stops spam and malicious bots, while remaining a very easy CAPTCHA for humans to solve.
Math Captcha is a 100% effective CAPTCHA for WordPress that integrates into login, registration, comments, Contact Form 7 and bbPress.
Creative Contact Form is a responsive contact form builder with amazing visual effects. Over 46,000+ sites are already using Creative Contact Form.