slackbuilds_ponce/desktop/xfswitch-plugin
..
README
slack-desc
xfswitch-plugin.info
xfswitch-plugin.SlackBuild

Xfswitch-plugin is a user switching plugin for the Xfce4 Panel. 
It allows you to leave the current session opened and open a new 
session with another user. At the moment it relies on GDM, but 
other display managers will be supported in the future.

This requires gdm.