Quasar is an open-source framework designed for building high-performance web applications with Vue.js. It provides a rich set of UI components and tools that enable developers to create responsive and feature-rich applications efficiently. Quasar supports multiple build targets, including Single Page Applications (SPA), Server-Side Rendered (SSR) apps, Progressive Web Apps (PWA), mobile apps using Cordova or Capacitor, and desktop apps using Electron. Its comprehensive CLI streamlines project setup and management, while its extensive collection of pre-designed components accelerates development. Quasar's unified design language ensures consistent user experiences across different platforms, and its built-in support for various themes and plugins enhances customization. By simplifying the development workflow and ensuring cross-platform compatibility, Quasar empowers developers to build versatile and performant applications with ease.