
Next generation testing framework
Vitest is a blazing-fast unit testing framework powered by Vite. Native ESM support, TypeScript out of the box, and Jest-compatible API.

Prompt, run, edit, and deploy full-stack web apps
Bolt by StackBlitz lets you build full-stack applications entirely in the browser with AI. Describe what you want and watch it come to life with live preview.

The AI Code Editor
Cursor is an AI-first code editor built on VS Code that understands your codebase. Features intelligent autocomplete, natural language editing, and multi-file refactoring with Composer mode.

The full-stack React framework for the web
Next.js gives you the best developer experience with all the features you need for production: hybrid static & server rendering, TypeScript support, smart bundling, route pre-fetching, and more.

Empowering JavaScript with native APIs
Build truly native mobile apps with JavaScript, TypeScript, or Angular.

The mobile SDK for the web
Cross-platform mobile UI toolkit with native-style components.

Build cross-platform desktop apps with JavaScript
The original framework for building desktop apps with web technologies.

Build cross-platform native apps with web technology
Ionic's native runtime for building cross-platform apps with any web framework.

Build native mobile apps using React
Meta's framework for building native mobile applications with React.

Create universal native apps with React
The leading platform for building React Native applications with managed workflows.

Test. Automate. Accelerate.
Cypress is a JavaScript end-to-end testing framework with a unique architecture that runs in the browser. Real-time reloading, time-travel debugging, and excellent DX.

The library for web and native user interfaces
React is a JavaScript library for building user interfaces, particularly single-page applications.

Resources for developers, by developers
MDN Web Docs is an open-source, collaborative project documenting Web platform technologies.

Delightful JavaScript Testing
Jest is a JavaScript testing framework designed to ensure correctness of any JavaScript codebase.
JavaScript runtime built on Chrome's V8 JavaScript engine
Node.js is an open-source, cross-platform JavaScript runtime environment that executes JavaScript code outside a web browser.