Project: https://github.com/aFarkas/html5shiv
Website: n/a
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer. The HTML5 Shiv enables use of HTML5 sectioning elements in legacy Internet Explorer and provides basic HTML5 styling for Internet Explorer 6-9, Safari 4.x (and iPhone 3.x), and Firefox 3.x.