Curated coding interview preparation materials for busy software engineers

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

JavaScript API for Chrome and Firefox

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

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 • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

VS Code in the browser

The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you. We are taking agent harness to the next level — enabling multi-agent collaboration, e…

A terminal for a more modern age

🐻 Bear necessities for state management in React

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

📋 React Hooks for form state management and validation (Web + React Native)

React Hooks — 👍

🐉 Vue Component Framework

Chakra UI is a component system for building SaaS products with speed ⚡️

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.

ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.

Build forms in React, without the tears 😭

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

Screenshots with JavaScript

A block-style editor with clean JSON output

Browser extension that simplifies the GitHub interface and adds useful features

Open Source Alternative to Vercel, Netlify and Heroku.

✌️ A spring physics based React animation library

Web framework built on Web Standards

Framework for building agent-native applications with Generative UI, shared state, and human-in-the-loop workflows.

The Best Agent Harness. Meet Sisyphus: The Batteries-Included Agent that codes like you.

Redefined chart library built with React and D3