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

📚 Freely available programming books

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

Master the command line, in one page

Papers from the computer science community to read and discuss.

A collection of (mostly) technical things every software developer should know about

Design patterns implemented in Java

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

Apache Superset is a Data Visualization and Data Exploration Platform

Apache ECharts is a powerful, interactive charting and data visualization library for browser

A list of cool features of Git and GitHub.

Based on a true story

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data 📊

C++ based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

A Commander for modern Go CLI interactions

Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.

Materialize, a CSS Framework based on Material Design

📙 Amazon Web Services — a practical guide

Command-line JSON processor

A book-in-progress about the Linux kernel and its insides.

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

500 Lines or Less

A simple HTML5, YouTube and Vimeo player

Structured, pluggable logging for Go.

Mostly adequate guide to FP (in javascript)

A declarative, simple, fast, and fun package for building command line tools in Go

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

Docker Cheat Sheet

Node.js test runner that lets you develop with confidence 🚀