Setting up MonoDevelop
From Kerbal Space Program Wiki
MonoDevelop is an IDE primarily designed for C# and other .NET languages. It is also cross compatible, as in; it will run under windows as well as Mac OSX and Linux.
Prerequisites
- Microsoft Windows XP or above, Mac OS X, or any Linux distribution which supports Mono.
- .NET Framework 4.0
- GTK# for .NET 2.12.10
- Kerbal Space Program 0.14 X1 or above.
Setting Up
- Start a new solution either by selection "Start new solution" on the welcome screen or File > New > Solution...
- Select "Library" in the C# tree (Visible by default). Name it whatever you like. (We're using MyKSPProject for this tutorial. Click forward. Then Ok.
- Click Project > Edit References and follow the steps below:
- Click the .NET Assembly tab and use the navigation menu on the left to browse to your KSP installation folder.
- On Windows navigate to (<KSP_win>\KSP_Data\Managed) or on mac navigate to (/Applications/KSP_osx/KSP.app/Contents/Data/Managed)
- Select both Assembly-CSharp.dll and UnityEngine.dll.
- Press Add then Ok, they should now be visible under the "References" directory of your solution.
Great, you're all set! Now continue to creating your first module!