# Blockly

Google's Blockly is a web-based, visual programming editor.  Users can drag
blocks together to build programs.  All code is free and open source.

**The project page is https://developers.google.com/blockly/**

![](https://developers.google.com/blockly/images/sample.png)

Blockly has an active [developer forum](https://groups.google.com/forum/#!forum/blockly). Please drop by and say hello. Show us your prototypes early; collectively we have a lot of experience and can offer hints which will save you time.