Character Action Framework (or CAF) is a Unity-focused framework designed for making character action games.
Documentation can be found here https://christides11.github.io/Character-Action-Framework/
xNode and Reorderable List.
To install this framework with the package manager, use this URL (replacing vX.X.X with the version you want):
https://github.com/christides11/Character-Action-Framework.git#upm/vX.X.X
Right now the project come with a 2D action game example, but it's a WIP.
Other than that, you can look at Touhou Unlimited Fantasies for an example too.
Donations are apprceciated, but not neccessary.