Symfony is a robust PHP framework that helps developers build high-performance web applications with ease. It follows the MVC (Model-View-Controller) architecture, promoting clean code and separation of concerns. Symfony provides reusable components and a modular structure, allowing for flexible and scalable development. It features a strong community, extensive documentation, and long-term support, which ensures reliability and continuous improvement. The framework integrates seamlessly with other tools and technologies, making it a popular choice for both small projects and large-scale enterprise applications.