Master programming by recreating your favorite technologies from scratch.

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

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

A book series (2 published editions) on the JS language.

Coding articles to level up your development skills

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

:books: 免费的计算机编程类中文书籍，欢迎投稿

Papers from the computer science community to read and discuss.

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

📜 33 JavaScript concepts every developer should know.

30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days. This challenge may take more than 100 days, please just follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw

A simple and easy-to-use library to enjoy videogames programming

120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.

30 Days of React challenge is a step by step guide to learn React in 30 days. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw

😱 Falsehoods Programmers Believe in

Python programs, usually short, of considerable difficulty, to perfect particular skills.

If you want to become good at system design, join this newsletter now 👇

A powerful coding agent toolkit providing semantic retrieval and editing capabilities (MCP server & other integrations)

💥 A Lodash-style Go library based on Go 1.18+ Generics (map, filter, contains, find...)

A guide on how to be a Programmer - originally published by Robert L Read

List of Data Science Cheatsheets to rule the world

Short CSS code snippets for all your development needs

Learning Vim and Vimscript doesn't have to be hard. This is the guide that you're looking for 📖

The Ultimate Go Study Guide

Modern C++ Programming Course (C++03/11/14/17/20/23/26)

Nuitka is a Python compiler written in Python. It's fully compatible with Python 2.6, 2.7, 3.4-3.13. You feed it your Python app, it does a lot of clever things, and spits out an executable or extension module.

webhook is a lightweight incoming webhook server to run shell commands

Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.

Short Python code snippets for all your development needs

A supercharged Git/GitHub command line interface (CLI). An official integration for GitHub and GitHub Enterprise: https://github.com/works-with/category/desktop-tools