C#.NET: C#.NET is a modern, object-oriented, and type-safe programming language that runs on the .NET Framework. C#.NET enables developers to build many types of secure and robust applications, such as web apps, desktop apps, mobile apps, and games. C#.NET is influenced by C, C++, Java, and JavaScript, and has features such as generics, delegates, lambda expressions, and LINQ.

VB.NET: VB.NET is a simple, high-level, and object-oriented programming language that runs on the .NET Framework. VB.NET is a successor of Visual Basic 6.0, and supports rapid application development with a graphical user interface. VB.NET is not case sensitive, and has features such as events, forms, buttons, and templates. VB.NET can be used to create web apps, windows apps, console apps, and mobile apps.