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

JavaScript API for Chrome and Firefox

Virtual whiteboard for sketching hand-drawn like diagrams

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

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

开放式跨端跨框架解决方案，支持使用 React/Vue/Nerv 等框架来开发微信/京东/百度/支付宝/字节跳动/ QQ 小程序/H5/React Native 等应用。 https://taro.zone/

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

✍ It has never been so easy to document your things!

📘 OpenAPI/Swagger-generated API Reference Documentation

Make images smaller using best-in-class codecs, right in the browser.

文言文編程語言 A programming language for the ancient Chinese.

🚀  A fully-featured, production ready caching GraphQL client for every UI framework and GraphQL server.

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open sour…

🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2024

📦🔐 A lightweight Node.js private proxy registry

Run compilers interactively from your web browser and interact with the assembly

Organize world's knowledge, explore connections and curate learning paths

render React components to Sketch ⚛️💎

A private messenger for Windows, macOS, and Linux.

A powerful obfuscator for JavaScript and Node.js

🖥 Chrome automation made simple. Runs locally or headless on AWS Lambda.

WebGL2 powered visualization framework

Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL

A React environment for cross platform desktop apps

Kepler.gl is a powerful open source geospatial analysis tool for large-scale data sets.

OWASP Juice Shop: Probably the most modern and sophisticated insecure web application

Skip YouTube video sponsors (browser extension)