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30-days-of-code

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  • Updated Dec 31, 2025
  • Java

Learn JavaScript from scratch in 30 days with 30 hands-on projects. A free, open source, beginner-friendly course covering variables to async/await, the DOM, and OOP.

  • Updated Jun 23, 2026
  • JavaScript

30-Day Ruby Programming Challenge by Amey Thakur and Mega Satish, focused on mastering Ruby fundamentals, object-oriented programming, Ruby on Rails development, and full-stack web engineering with cloud deployment.

  • Updated Feb 21, 2026
  • Ruby

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