libgdm-dev - 3.38.2.1-1pureos1 main

GDM provides the equivalent of a "login:" prompt for X displays: it
asks for a login and starts graphical sessions.
.
It supports multiple seats and switching between multiple users.
.
The greeter is based on the GNOME libraries and applications, and its
look and design are the same as those of a GNOME session.
.
This package contains header and development files.