.NET Core

Free, open-source, managed computer software framework primarily developed by Microsoft through the .NET Foundation. It supports multiple programming languages such as C#, Visual Basic, C++, and F#, making it versatile for various programming needs. It's cross-platform, meaning it can operate on a wide range of operating systems, including Windows, Linux, macOS, Android, and iOS. Initially released in 2016, it is used to build many types of applications, demonstrating its flexibility and wide-ranging utility in the software development field.