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.

😎 Awesome lists about all kinds of interesting topics

📚 Freely available programming books

The React Framework

A topic-centric list of HQ open datasets.

The Python micro framework for building web applications.

The HTML Presentation Framework

JavaScript animation engine

The best way to write secure and reliable applications. Write nothing; deploy nowhere.

A modern alternative to CSS resets

A platform for community discussion. Free, open, simple.

Manually curated collection of resources for frontend web developers.

🖤 Create and share beautiful images of your source code

Awesome React Native components, news, tools, and learning material!

⚡️ A collection of tips to help take your CSS skills pro 🦾

Create the next immutable state by mutating the current one

100+ Python challenging programming exercises

node.js command-line interfaces made easy

In-browser code editor (version 5, legacy)

REST API for any Postgres database

A community-driven Emacs distribution - The best editor is neither Emacs nor Vim, it's Emacs *and* Vim!

Routing and navigation for React Native and Web apps

Dead simple Object schema validation

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Proces…

📚 A public list of APIs from round the web.

The most powerful data validation library for JS

Tool for visualizing GitHub profiles

Jargon from the functional programming world in simple terms!

A document head manager for React