Google Blocks En

The Blockly is a Google open-Source project , which runs the browser itself without the need to install , like the program " Scrath " and is used as educational way the purposes of teaching new programmers for its ease of code constructs .

Blockly image with a blockly código.O can generate codes of Java Script , Python, Dart and XML

With its simple interface ( having only the toolbar and the desktop ) makes more simply and easy to understand for users who are not familiar with programming. Besides the simple interface, Blockly can be customized using their blocks for creating new for larger purposes and program usefulness . Its main features are striking : 

•  Support for popular browsers like FireFox and Chrome. 
• Support for Android and iOS . 
• Implementing step-by- step code.

sources : http://en.wikipedia.org/wiki/Blockly