LightDM is a cross-desktop display manager. Its key features are:
- Cross-desktop - supports different desktop technologies.
- Supports different display technologies (X11, Mir, Wayland …).
- Lightweight - low memory usage and high performance.
- Supports guest sessions.
- Supports remote login (incoming - XDMCP, VNC, outgoing - XDMCP, PAM).
- Comprehensive test suite.
- Low code complexity.