Nuxt is an open-source framework under MIT license for building modern and performant web applications that can be deployed on any platform running JavaScript.
- A bundler to support hot module replacement in development and bundle your code for production, we support both [webpack 5](https://webpack.js.org/) and [Vite](https://vitejs.dev/).
- A server for serving your application in development, but also to support [server-side rendering](https://vuejs.org/api/ssr.html#server-side-rendering-api) or API routes, Nuxt uses [h3](https://github.com/unjs/h3) for deployment versatility such as serverless, workers, Node.js and unmatched performance.
- A routing library to handle client-side navigation, we chose [vue-router](https://router.vuejs.org/).
This is only the tip of the iceberg, imagine having to set up all of this for your project, make it work, and then, maintain it over time. We have been doing this since October 2016, tuning all the configurations to provide the best optimization and performance for any Vue application.
Nuxt uses Vue.js as a view engine. All Vue 3 capabilities are available in Nuxt. You can read about the details of the Vue integration with Nuxt in the [Key Concepts section](/docs/guide/concepts/vuejs-development).
Nuxt uses conventions and an opinionated directory structure to automate repetitive tasks and allow developers to focus on what matters. The configuration file can still customize and override its default behaviors.
The Nuxt server engine [Nitro](https://nitro.unjs.io) unlocks new full-stack capabilities.
In development, it uses Rollup and Node.js workers for your server code and context isolation. It also generates your server API by reading files in `server/api/` and server middleware from `server/middleware/`.
In production, Nitro builds your app and server into one universal `.output` directory. This output is light: minified and removed from any Node.js modules (except polyfills). You can deploy this output on any system supporting JavaScript, from Node.js, Serverless, Workers, Edge-side rendering or purely static.
A Nuxt application can be deployed on a Node or Deno server, pre-rendered to be hosted in static environments, or deployed to serverless and edge providers.
- Bundlers: [@nuxt/vite-builder](https://github.com/nuxt/framework/tree/main/packages/vite) and [@nuxt/webpack-builder](https://github.com/nuxt/framework/tree/main/packages/webpack)
- Command line interface: [nuxi](https://github.com/nuxt/framework/tree/main/packages/nuxi)
Extendable with a strong module ecosystem and hooks engine, it makes it easy to connect your REST or GraphQL endpoints, favorite CMS, CSS frameworks and more. PWA and AMP support is only a module away from your Nuxt project.
