Why YUI? Fast YUI's lightweight core and modular architecture make it scalable, fast, and robust.
Instantly Better Web Apps Dojo saves you time and scales with your development process, using web standards as its platform. It’s the toolkit experienced developers turn to for building high quality desktop and mobile web applications. From simple websites to large packaged enterprise applications whether desktop or mobile, Dojo will meet your needs. Internet Explorer 6-9 Firefox 3.6+