Slick contact forms allows you quickly and easily create contact forms for any area on your WordPress site using widgets
The contact form plugin with dynamic fields, reCAPTCHA and other features that makes it easy to add custom contact form on your site in a few clicks
Piklist is the most powerful framework available for WordPress. Easy for beginners... built for developers. Piklist helps you build things - fast.
This form builder makes it easy to create professional forms. Build forms and manage forms in a new intuitive way and customize fields with icons, etc
Performs a simple but very effective test on all incoming trackbacks in order to stop trackback spam.
REPLACEMENT of the original Simple Trackback Validation Plugin from Miachel. Performs a simple but very effective test on all incoming trackbacks in o
Adds a 'confirm email address' field to the WooCommerce checkout page.
A plugin that provides a warning box with a ton more options completely re-written from the ground up.
This plugin adds client-side validation to the WordPress comment form, using the jQuery validation plugin.
Verify the integrity of a WP installation by scanning for unexpected or modified files.
This plugin will allow you to check your pages/posts HTML against the W3C Validator.
Extension to enable min-length on textfield(s) in Contact Form 7
This plugin adds native HTML5 validation support to Gravity Forms' fields.
Contact Form 7 validation messages provide custom error messages for each field.
This plugin uses AJAX & Thickbox to Display Dialog based Content Warning to Users. This act as Landing page to show message.
This plugin will scan your plugins (and WordPress) version for more then 3000+ known vulnerabilities and exploits.
Avoid those pesky blank page with an error message like "please fill out required fields" then loosing your/users comment info.
SIMPLE - FAST - EFFICIENT Creating Forms on your website has never been easier with GuiForm.
Kick spam with a highly advanced email validation in comment forms, user registration and contact forms using Mailgun's Email validation service.
Moves the gallery shortcode styles to the head so it doesn't break XHTML validation; allows disabling or modifying the default gallery styles.
This widget will submit your wordpress RSS feed to feedvalidator.org, and check the results to verify your feed is valid.
Contact Form 7 Email Validation plugin adds an extended validation to verify domain in email address for email fields of Contact Form 7 plugin.
Contact Form 7 - Different Custom Error Messages for each field tags.
Automatically checks the validity of the page with the service provided by the site http://validator.w3.org/
The Protected Site plugin blocks incoming traffic from accessing a blog or a specific blog in a network by requiring visitors to log in to WordPress.
The Post-title-validation Plugin helps to create validation on title field of post, page, custom content type.
Safe Signup Form is a WordPress Plugin that will forward a form submission to an email address, while preventing most automated attacks.
This plugin replaces the default "read more" with custom text, AND adds a chosen number of the post-title-words to it, so all your links are unique.
Without writing code, build beautiful, responsive forms that are connected with a free CRM. CRM is simple to use and has also advanced features.
WordPress Fix HTML5 Validation