jQuery is a cross-browser JavaScript library designed to simplify the client-side scripting of HTML .^[1] jQuery's syntax is designed to make it easier to navigate a document, select DOM elements, create animations , handle events , and develop Ajax applications . SproutCore is an open-source JavaScript framework. Its goal is to allow developers to create web applications with advanced capabilities and a user experience comparable to that of desktop applications. When developing a SproutCore application, all code is written in JavaScript (including the view layer in 1.0). ^[2] Cappuccino is an open source application development framework for developing web applications that look and feel like desktop applications. Cappuccino consists of two distinct components: a programming language called Objective-J and an object oriented library which is the Objective-J port of two of the Cocoa frameworks, Foundation Kit and Application Kit .^[3]