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 robust framework primarily focused on web development, offering strong community support and integration with Microsoft technologies, making it ideal for enterprise-level applications. In contrast, D is a general-purpose language suitable for system-level programming, emphasizing efficiency and simplicity, but lacks the web development focus and community size of ASP.NET.