CocoonJS  CocoonJS is a mobile development framework produced by Ludei.It enables software developers to build mobile apps using JavaScript, HTML5, and CSS3, instead of device-specific languages such as Objective-C. It enables wrapping up of HTML, CSS and Javascript code depending upon the platform of the device. It extends the features of HTML and Javascript to work with the device. The platform is similar to Adobe PhoneGap but claims significant improvements.