This mod is created for the game called Stardew Valley. 
It will allow you to have special attacks for individual weapons, and also allows you to use a different weapon type for each attack. 
This include Galaxy Sword, Lava Katana, Galaxy Hammer, and Wind Spire.

This is a mod that adds a lot of things, and some of them are quite complicated. It is a tool that makes it easy to create your own content packs for this game. You can find a tutorial in the documentation.
You can also use this mod to test your customizations.