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)...
impress.js : It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com
Polymer : Web Components usher in a new era of web development based on encapsulated and interoperable custom elements that extend HTML itself. Built atop these...
TCPDF : TCPDF is a FLOSS PHP class for generating PDF documents.
This PHP package provides methods to create, validate and render HTML forms.