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  1. The open source codebase and curriculum. Learn to code for free together with millions of people.

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  2. API Documentation Browser

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  3. freeCodeCamp's learning platform with 2,000 interactive coding challenges

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  4. An open source email campaign management tool for nonprofits

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  5. guide Archived

    A collection of easy-to-understand guides to programming tools

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  6. A guide to contributing to open source

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3 results for repositories written in R
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