- Display manager
- The X display manager is a graphical login manager which starts a login session on an X server from the same or another computer
- SDDM (Simple Desktop Display Manager)
- Used as default by KDE, Fedora, and LXQt.
- Slightly better user interface
- Recommended for Plasma and LXQt
- GDM (GNOME Display Manager) = Gnome default.
- Used as default by Gnome
- Slightly easier to customize
- LXDM (Lightweight X Desktop Environment Display Manager)
- default for LXDE
- LightDM
- Lighter and faster than gdm3
- XDM (X Display Manager)
- Xorg default
- SLiM (Simple Login Manager) for X11
- Abandoned 9 years ago