This is a collection of useful free software programs, documentation, and resources under free licenses that help people learn how to program.
|Sqltutor|| Interactive web based tool for learning SQL by examples.
|SNAP!|| Visual, drag-and-drop programming language
|Blockly|| Blockly is a web-based, graphical programming editor.
|Khan exercises|| Khan-exercises is a framework for building exercises to work with Khan Academy.
Books and online tutorials
|Dive Into Python 3||Dive Into Python is a free Python book for experienced programmers.|
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