C# is a general-purpose programming language that is even suitable for beginners to learn coding. C# is an object-oriented language that was developed by Microsoft to replace C++ and Java, which were commonly used in Windows applications. The language is more popularly known in the tech world as being used by Microsoft and its Visual Studio IDE. The C# language has been around since 2000, and it's one of the most popular programming languages in the world. It's used by many companies to develop mobile apps. C# is a simple and powerful programming language which makes it easy to build cross-platform applications for the web, mobile devices and the desktop.
Some of the most popular C# Mobile Application Open Source libraries among developers are: maui - NET MAUI is the .NET Multiplatform App UI; runtime - crossplatform runtime for cloud, mobile, desktop, and IoT apps; uno - Build Mobile, Desktop and WebAssembly apps.