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

Virtual whiteboard for sketching hand-drawn like diagrams

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

Deliver web apps with confidence 🚀

JavaScript API for Chrome and Firefox

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

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

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

"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

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

A JS library for predictable global state management

Declarative routing for React

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

The repository for high quality TypeScript type definitions.

Fast, easy and reliable testing for anything that runs in a browser.

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

Collection of TypeScript type challenges with online judge

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

Delightful JavaScript Testing.

A terminal built on web technologies

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

React Hooks — 👍

Fast, expressive styling for React. Server components, client components, streaming SSR, React Native—one API.

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

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.

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