The open source Firebase alternative.

Deliver web apps with confidence 🚀

⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

Find and fix problems in your JavaScript code.

Cybernetically enhanced web apps

Developer-first error tracking and performance monitoring

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

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

Adds static typing to JavaScript to improve developer productivity and code quality.

The React Framework

Style guides for Google-originated open-source projects

Node.js JavaScript runtime ✨🐢🚀✨

🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

Incremental bundler and build system optimized for JavaScript and TypeScript, written in Rust – including Turbopack and Turborepo.

The Bluesky Social application for Web, iOS, and Android

CLI tool for Angular

The Dart SDK, including the VM, dart2js, core libraries, and more.

✨ Monorepo for all the tooling which enables ESLint to support TypeScript

A modern runtime for JavaScript and TypeScript.

The library for web and native user interfaces.

The Rust package manager

Official Sentry SDKs for JavaScript

Go implementation of the Ethereum protocol

Next generation testing framework powered by Vite.

Easy to maintain open source documentation websites.

Node.js API for Chrome

🚀 Beautiful, fast and modern React UI library.

A toolchain for building scalable, enterprise-ready component systems on top of TypeScript and Web Component standards. Stencil components can be distributed natively to React, Angular, Vue, and tr…

Merge Tailwind CSS classes without style conflicts