HTML Purifier : HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS)...
Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
FormLinter : Increase your form conversions by fixing common usability issues
Enter a URL. FormLinter will find a form on the page and let you know if it can be im...
Bespoke.js : Bespoke.js is a super minimal, modular presentation library for modern browsers, designed to foster a rich plugin ecosystem.
Web Forms : Web Forms 2.0 Cross-Browser Implementation
This PHP package provides methods to create, validate and render HTML forms.