User administration tools in different distributions

Project:Linux software
Component:Documentation
Category:feature request
Priority:normal
Assigned:Unassigned
Status:active
Related pages:#694: User administration :-:-: #9549: kde-plasma/user-manager
Tags:User administration
Description

This old kubuntu thread has an overview of different user management tools in different distributions:
https://www.kubuntuforums.net/showthread.php?59417-User-Management

It'd be nice to have an overview/comparison of different user administration tools used as default in different distributions or Desktop Environments.