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freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

Master programming by recreating your favorite technologies from scratch.

😎 Awesome lists about all kinds of interesting topics

:books: Freely available programming books

A collective list of free APIs

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

A complete computer science study plan to become a software engineer.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Repo for counting stars and contributing. Press F to pay respect to glorious developers.

An opinionated list of awesome Python frameworks, libraries, software and resources.

A list of Free Software network services and web applications which can be hosted on your own servers

Curated list of project-based tutorials