freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

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

Visual Studio Code

💯 Curated coding interview preparation materials for busy software engineers

Node.js API for Chrome

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

A utility-first CSS framework for rapid UI development.

"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

Next generation frontend tooling. It's fast!

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

Apache Superset is a Data Visualization and Data Exploration Platform

🐠 Babel is a compiler for writing next generation JavaScript.

A terminal built on web technologies

Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

High performance self-hosted photo and video management solution.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

🐉 Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

TypeScript-first schema validation with static type inference

A declarative, efficient, and flexible JavaScript library for building user interfaces.

Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.

Scheduling infrastructure for absolutely everyone.

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.

A completely customizable framework for building rich text editors. (Currently in beta.)

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.

Fast, disk space efficient package manager

The fast, flexible, and elegant library for parsing and manipulating HTML and XML.

The open source frontend for GitBook doc sites