Piklist is the most powerful framework available for WordPress. Easy for beginners... built for developers. Piklist helps you build things - fast.
Generic form processor allowing forms to be painlessly processed and aggregated, with numerous options to validate data and perform custom commands
This plugin provides the ability to run HTML Tidy through all your posts, pages, and comments, generating a report on just how dirty your code is.
Valida campos de DNI, NIF, NIE y CIF utilizando el plugin Contact Form 7 || Validate DNI, NIF, NIE and CIF fields using Contact Form 7 plugin
Validates the comments of your blog using jQuery, avoiding blank fields or invalid fields.
Check if the Email's Gravatar is exist. 檢測指定郵箱的Gravatar是否存在
Create verified polls and petitions that enable users to send results to US Elected Officials, Govermt. Agencies, Corporations and 20,000 Journalists
Validate all post with WCAG standard
bValidator - Form validator for jQuery , bValidator is a jQuery plug-in for client side form validation.
Empty posts/pages still get wrapped in tags, which makes them invalid. This plugin fixes that. PHP5 Required.
Make native WordPress comments better by using modern standards
Adds a form wizard with validation to your checkout page.