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

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

VS Code in the browser

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

Scheduling infrastructure for absolutely everyone.

🇨🇭 A React renderer for Three.js

The Bluesky Social application for Web, iOS, and Android

JupyterLab computational environment.

nivo provides a rich set of dataviz components, built on top of the awesome d3 and React libraries

Take control over your live stream video by running it yourself. Streaming + chat out of the box.

React friendly API wrapper around MapboxGL JS

Clone, deploy, and fully customize a SaaS subscription application with Next.js.

Inertia.js lets you quickly build modern single-page React, Vue and Svelte apps using classic server-side routing and controllers.

📘 The interactive computing suite for you! ✨

Build consistent, themeable React apps based on constraint-based design principles

Python extension for Visual Studio Code

Create beautiful, publication-quality books and documents from computational content.

A static site generator for data apps, dashboards, reports, and more. Observable Framework combines JavaScript on the front-end for interactive graphics with any language on the back-end for data a…

An open source visual editor for the 'MapLibre Style Specification'

Generate interactive call graphs for various languages

GPU-accelerated force graph layout and rendering

The Zoo Design Studio app.

A TypeScript SDK for the Twitter API

A real-time data backend for browser-based applications.

The Speckle Server, Frontend, 3D Viewer, & other JS utilities.

Kanban boards with React & Django.

Simple deep links to any selection of text on your website.

A JupyterLab extension for collaborative 3D geometry modeling

Interactive documents and data visualizations in markdown

A dynamic data-driven document development environment (DDDDDE)