HTML5 & Javascript based Karel simulator to learn programming easily.
See the application in http://joymononline.in/apps/karel/karel.htm
More details on the project is available in the blog post. http://joymonscode.blogspot.com/2013/06/online-karel-simulator-based-on-html5.html
TypeScript based Karel Simulator is available at https://github.com/joymon/Karel-TypeScript . This is the version getting maintained