Free online Coding platforms to learn and improve your coding skills

This page summarizes the projects mentioned and recommended in the original post on reddit.com/r/johngrillo

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  • curriculum

    The open curriculum for learning web development

    • https://www.theodinproject.com/ => Web Development

  • codewars.com

    Issue tracker for Codewars

    • https://www.codewars.com => Clojure,CoffeeScript,C,Coq, C++,C#,Java,JavaScript,Kotlin,PHP,Python,Racket,Ruby,Rust,Shell,SQL,Swift,TypeScript etc. (Complex problems, competitive programming) (Highly Recommended)

  • Scout APM

    Truly a developer’s best friend. Scout APM is great for developers who want to find and fix performance issues in their applications. With Scout, we'll take care of the bugs so you can focus on building great things 🚀.

  • Exercism - Scala Exercises

    Crowd-sourced code mentorship. Practice having thoughtful conversations about code.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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