DBus

• d-spy is a good visualization/exploration tool for D-Bus, having replaced D-Feet. For terminal work, try busctl.

Enumeration

• System bus: dbus-send --system --dest=org.freedesktop.DBus --type=method_call --print-reply /org/freedesktop/DBus org.freedesktop.DBus.ListNames
• Session bus: dbus-send --dest=org.freedesktop.DBus --type=method_call --print-reply /org/freedesktop/DBus org.freedesktop.DBus.ListNames