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)...
Ratchet : WebSockets for PHP
Ratchet is a loosely coupled PHP library providing developers with tools to create real time, bi-directional applications between c...
readability-lxml : In few words, Given a html document, it pulls out the main body text and cleans it up. It also can clean up title based on latest readability.js code.
PHPUnit : PHPUnit is the de-facto standard for unit testing in PHP projects. It provides both a framework that makes the writing of tests easy as well as the fu...
Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
This PHP package provides methods to create, validate and render HTML forms.