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

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

JavaScript API for Chrome and Firefox

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

Next generation frontend tooling. It's fast!

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many mo…

Easy to maintain open source documentation websites.

A JS library for predictable global state management

Declarative routing for React

🐻 Bear necessities for state management in React

The web framework for content-driven websites. ⭐️ Star to support our work!

The repository for high quality TypeScript type definitions.

🤖 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

Delightful JavaScript Testing.

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

A terminal built on web technologies

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

🐠 Babel is a compiler for writing next generation JavaScript.

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML, CSV and more, into interactive graphs.

Presentation Slides for Developers

Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress 💅

A fast, simple & powerful blog framework, powered by Node.js.

TypeScript-first schema validation with static type inference

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

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.

Make any web page a desktop application

Fast, disk space efficient package manager

Immutable persistent data collections for Javascript which increase efficiency and simplicity.