MonoDevelop is described as 'Enables developers to write desktop and web applications on Linux, Windows and Mac OS X. It also makes it easy to port .NET applications created with Visual Studio to Linux and Mac OS X maintaining a single code base for all platforms' and is a very popular IDE in the development category. There are more than 25 alternatives to MonoDevelop for a variety of platforms, including Windows, Linux, Mac, Flathub and .NET Framework apps. The best MonoDevelop alternative is Microsoft Visual Studio. It's not free, so if you're looking for a free alternative, you could try Microsoft Visual Studio or JetBrains Rider. Other great apps like MonoDevelop are Delphi, OmniSharp, Ultimate++ and RAD Studio.