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.
cssQuery() : cssQuery() is a powerful cross-browser JavaScript function that enables querying of a DOM document using CSS selectors. All CSS1 and CSS2 selectors ar...
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...
Text_Highlighter : Provides functionality to perform syntax highlighting for different file formats.
This PHP package provides methods to create, validate and render HTML forms.