A very simple to use java config library.
It's extendable and lightweight, designed for use in relatively small-scale projects that don't need immensely extensive config files. It's designed to work around the base java properties system, and will work on most java 8+ versions.
I highly reccomend using relocation when bundling this with a project that uses it, in order to make sure no conflicts can occur.
My current projects that will or do use this library: