1. MonoDevelop is a Developer Tools application like GitHub, WeBuilder, and MySQL from MonoDevelop Project. It has a simple and basic user interface, and most importantly, it is free to download. MonoDevelop is an efficient software that is recommended by many Windows PC users.
2. MonoDevelop is a free GNOME IDE primarily designed for C# and other.NET languages, although open to any kind of language. However, MonoDevelop hopes to be more than just an IDE: it intends to be an extensible platform upon which any kind of development tool can be built.

MonoDevelop is a full-featured integrated development environment (IDE) for mono using Gtk#. The MonoDevelop core is also the foundation for Visual Studio for Mac. Feel free to file bugs against Visual Studio for Mac here as well. Download: Download MonoDevelop 4.0.1 VirusTotal results: Change log: n/a: Description. MonoDevelop (also known as Xamarin Studio) is an open-source integrated development environment for Linux, macOS, and Windows. Its primary focus is development of projects that use Mono and.NET Framework.

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.

PCL assemblies for Linux systems

Linux systems may be missing the PCL assembly libraries, which will cause compilation to fail. (No longer an issue on newer Mono)

• .deb and .rpm based systems can follow the instructions on the Mono Project site to add the appropriate repository, and the package name is 'referenceassemblies-pcl'.
• Arch Linux users will need to get the package from the Arch User Repository (AUR), and are looking for the 'mono-pcl' package.

Setting Up

1. Start a new solution either by selection 'Start new solution' on the welcome screen or File > New > Solution...
2. 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.)
   Creating a new solution
3. 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_DataManaged) or on mac click 'Browse...' and navigate to (/Users/<user>/Applications/Steam/steamapps/common/Kerbal Space Program/KSP.app/Contents/Resources/Data/Managed). Note that the KSP.app folder will show as just 'KSP' (without the .app) and you can't navigate into it. Instead, navigate into there in the Finder, then right click/ctrl-click on KSP, choose 'Show Package Contents', continue to the Managed directory, then drag&drop Assembly-CSharp.dll and UnityEngine.dll into the 'Browse' dialog.
   • Select Assembly-CSharp.dll and UnityEngine.dll. More assemblies may be required depending on exactly which things your mod needs access to.
     Adding References
   • 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!

Microsoft abandoned MonoDevelop GitHub repository earlier this year, and we can see no commit was pushed since February. However, there is no official announcement from any Microsoft channel on why that happened.As a long time Mono observer, I wrote two blog posts in the past regarding MonoDevelop’s status,

I will explain below why I don’t think the sudden change is sudden, and provide my personal opinions.

Monodevelop Tutorial

The Value of MonoDevelop for Microsoft

Most Microsoft developers are on Windows without a doubt. And recently via VSCode and VS for Mac, Microsoft has been able to reach developer communities on macOS and Linux. But one fact we must consider is that Linux desktop market share is rather small (<1% by certain stats), so VS for Linux has been requested but never fulfilled. Therefore, there is no obvious ROI for Microsoft to keep investing in MonoDevelop for Linux, and we saw more and more issues in the past few years,

1. No more binary package of MonoDevelop for various Linux distributions.
2. Many issues to compile the latest code base on Linux.
3. The repository was polluted by Microsoft private NuGet feeds and private code repositories (though some repos became open sourced later on).

The Investment on MonoDevelop from Microsoft

While no clear revenue comes from Linux user base, MonoDevelop has been the foundation of VS for Mac. So Microsoft can still earn something back from macOS users.

However, to keep MonoDevelop as a full feature IDE for different operating systems (Windows, macOS, and Linux), the developers must spend time fixing Windows/Linux related issues, which most of the times does not contribute much to the revenue.

Most importantly, to keep MonoDevelop open sourced, Microsoft had to release certain code base from VS for Windows (such as vstest, and part of the code editor) under an open source license. This often requires a lengthy internal process with legal guys, and lots of efforts to clean up the code.

Another factor to consider is that competitors in the same field might make use of the newly released code to compete with Visual Studio. For example, JetBrains Rider reused vstest code base to implement MSTest support, which was never part of Rider before. (Recently JetBrains decided to switch from vstest to its brand new testing infrastructure though.)

Conclusion

A company like Microsoft might not be able to continue its investment when the revenue does not meet the expectation. So it is a natural move to stop contributing to the open source MonoDevelop.

That does not mean VS for Mac is impacted negatively, but good news,

1. VS for Mac can continue its evolution without releasing changes to GitHub.
2. More VS for Windows code can be reused in VS for Mac, and no more pressure to release such to the public.

There might be some difficulty for VS for Mac extension developers, as they lose a good reference on how VS for Mac works internally, but there are alternative ways.

Monodevelop

There has been an attempt to revive MonoDevelop by the community, or at least keep it as it was for the existing users, so let’s see what happens next there on GitHub.

If you have to stay on Linux and want to program in .NET, please switch to VSCode or Rider.

This is the end of an important MonoDevelop chapter, and I start to wonder what might happen to Mono when .NET 5 is released later this year. I will write about that when the time is right.

Monodevelop Unity

Stay tuned.