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 ...
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...
rsvp.js : A lightweight library that provides tools for organizing asynchronous code
React : A JavaScript library for building user interfaces
polyfill makes web development less frustrating by selectively polyfilling just what the browser needs. Use it on your own site, or as a service.