ASP.NET is an open-source server-side web application framework designed for web development to produce dynamic web pages. Developed by Microsoft
License: Free
ASP.NET is a framework primarily for building enterprise-level applications with a strong focus on integration with Microsoft's ecosystem, while Symfony is a PHP framework known for its flexibility and rich set of tools, making it ideal for a wide range of web applications. Both have their strengths and weaknesses, catering to different development needs and environments.