ScratchJr is a free app for children aged 5-7. It allows young children to create interactive stories and games through coding. The app helps children learn problem-solving, design projects, and creative expression using computer programming. ScratchJr is a collaboration between the DevTech Research Group at Boston College and the Scratch Foundation. The app and related materials, such as books and cards, are designed to make coding easy and fun.
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The website scratchjr.org is built with 8 technologies.
CDN
Amazon CloudFront
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Amazon S3
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PaaS
Amazon Web Services
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Analytics
Google Analytics
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Tag managers
Google Tag Manager
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Miscellaneous
Open Graph
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JavaScript frameworks
React
Websites built with ReactReact is an open-source JavaScript library for building user interfaces or UI components.
Caching

With ScratchJr, young children (ages 5-7) can program their own interactive stories and games.