BubbleLib is a Framework and Modloader for the wonderful Shelldiver by Gagonfe it uses YYToolkit and AurieSharp to attach to the compiled GMK-YYC code.
It is currently in its very early stages but provides basic functionality for making and loading mods.
Download and run AurieInstaller HERE
Make sure to selecte "Allow C# mods" in the lower right
Click "Find my game!" and select your Shelldiver.exe file (ususally in C:\Program Files (x86)\Steam\steamapps\common\Shelldiver)
Download the latest version of BubbleLib from HERE
Extract it, it should contain a "mods" folder, just drop that into your Shelldiver directory and you are done. (If it doesnt, drop the BubbleLib.dll into /mods/managed/)
Once you start your game you should be able to see the "Mods" submenu on your main menu screen like this:
As well as your BubbleLib version at the bottom left:
Mods can be installed by dropping them into "mods/bubble/"
If the "bubble" subfolder does not exist, either start your game with BubbleLib installed or create it by hand.
Example Mods: