A UPM style packaged version of https://assetstore.unity.com/packages/tools/physics/kinematic-character-controller-99131
This is the CORE only, examples will be in another package. I will try to maintain this package, feel free to submit patches or issues.
Add package by adding git repo in package manager and using path: "[email protected]:ErikBehar/kinematic-character-controller.git?path=/Assets"