The HTML5 Shiv : The HTML5 Shiv enables use of HTML5 sectioning elements in legacy Internet Explorer and provides basic HTML5 styling for Internet Explorer 6-9, Safari...
SVG Web : SVG Web is a JavaScript library which provides SVG support on many browsers, including Internet Explorer, Firefox, and Safari. Using the library plus ...
Styletron : Styletron is a universal CSS-in-JS engine built from the ground up for high-performance.
Push by Nickersoft : A compact, cross-browser solution for using the JavaScript Notifications API
polyfill makes web development less frustrating by selectively polyfilling just what the browser needs. Use it on your own site, or as a service.