freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

Visual Studio Code

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

Deliver web apps with confidence 🚀

JavaScript API for Chrome and Firefox

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 🚀

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…

A JS library for predictable global state management

Declarative routing for React

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.

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

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 Better Websites. Create modern, resilient user experiences with web fundamentals.

Backstage is an open framework for building developer portals

Redefined chart library built with React and D3

A Foundation for Scalable Cross-Platform Apps

The industry-leading GraphQL client for TypeScript, JavaScript, React, Vue, Angular, and more. Apollo Client delivers powerful caching, intuitive APIs, and comprehensive developer tools to accelera…

Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.

A private messenger for Windows, macOS, and Linux.

Sass makes CSS fun!

Generate RFC-compliant UUIDs in JavaScript

The monorepo home to all of the FormatJS related libraries, most notably react-intl.

⚠️ The Truffle Suite is being sunset. For information on ongoing support, migration options and FAQs, visit the Consensys blog. Thank you for all the support over the years.

🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.

React notification made easy 🚀 !

The complete guide to static typing in "React & Redux" apps using TypeScript

Decorator-based property validation for classes.