SharpDevelop is described as '#develop (short for SharpDevelop) is a free IDE for C#, VB.NET and Boo projects on Microsoft's .NET platform. It is open-source, and you can download both sourcecode and executables' and is a popular IDE in the development category. There are more than 25 alternatives to SharpDevelop for a variety of platforms, including Windows, Linux, Mac, .NET Framework and Web-based apps. The best SharpDevelop 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 SharpDevelop are RAD Studio, B4X, Delphi and CodeTyphon.