Visual Basic .NET (VB.NET) is an object-oriented programming language developed by Microsoft as part of the .NET framework. It is a modern, versatile language that simplifies application development for Windows, web, and mobile platforms. VB.NET offers a rich set of built-in libraries and tools, making it easier to create robust and scalable applications. It supports features like garbage collection, exception handling, and type safety, which improve reliability and performance. VB.NET is known for its readable syntax, making it an ideal choice for beginners, while still being powerful enough for professional developers.