| aight | 2.1.1 | un-suck JavaScript APIs in IE8 & 9 |
| css3pie | 2.0beta1 | CSS3 PIE JavaScript edition. Enables rendering of common CSS3 decoration properties in Internet Explorer 6-9. |
| flexibility | 2.0.1 | Use Flexbox while supporting older Internet Explorers |
| html5shiv | 3.7.3 | html5shiv is an HTML5 JavaScript shim for IE to recognise and style the HTML5 elements |
| ieBetter.js | 1.0.3 | make ie browser like a morden browser main for ie6~ie8 |
| selectivizr | 1.0.2 | selectivizr is a JavaScript utility that emulates CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8. Simply include the script in your pages and selectivizr will do the rest. |
| css-vars-ponyfill | 2.4.9 | Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers |
| webcomponents-template-polyfill | 1.5.1 | HTML template element polyfill. |