1. HTML5, Tool, Framework

---------------------------UI: Liger UI, jQuery UI, jQuery Mobile

---------------------------Template: underscore

---------------------------MVC: Backbone, Angular, Knockout

---------------------------Modular: RequireJS

---------------------------jQuery, Prototype, MooTools, Dojo, ExtJS

2. Performance

3. Maintainable

4. Pattern

5. Plugin, Widget

Server Side

1. CoffeScript

2. NodeJS

3. NPM (Socket.IO)

4. Express