Sites and apps similar to Tokbit include Scratch, which is free and open source. Other options are Code.org, Blockly and Flowgorithm. In total there are four Code Learning Services like Tokbit for Windows, Linux and Mac.
Scratch is a programming language that makes it easy to create your own interactive stories, animations, games, music, and art -- and share your creations on the web. As young people create and share Scratch projects, they learn important mathematical and computational ideas...
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Code.org is a non-profit whose goal is to expose all students to computer programming. We believe that computer programming is a liberal art; it's something EVERY student in the world should be exposed to at some point in their childhood education.
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Blockly is a library for building visual programming editors. Users can drag blocks together to build an application. No typing required.
Flowgorithm is a free application that helps you create programs using simple flowcharts.
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