MonoDevelop
MonoDevelop is an open-source integrated development environment (IDE) primarily designed for cross-platform development using the .NET framework and Mono runtime. It supports multiple programming languages like C#, F#, and Visual Basic, offering features such as code completion, debugging, and project management. Originally developed by Xamarin and now maintained by the Mono project, it enables developers to build applications for Linux, macOS, and Windows.
Developers should learn MonoDevelop when working on cross-platform .NET applications, especially in Linux or macOS environments where Visual Studio might not be available. It is particularly useful for open-source projects, game development with Unity (which historically used it as a script editor), and scenarios requiring lightweight IDE alternatives. Use cases include building desktop applications, web services, and mobile apps using Xamarin.