- kde-api
-
KDE Screenlocker D-Bus API (https://projects.kde.org/projects/kde/kde-workspace/repository/revisions/master/entry/ksmserver/screenlocker/dbus/org.freedesktop.ScreenSaver.xml)
- gnome-impl
-
GNOME org.freedesktop.ScreenSaver proxy implementation (http://git.gnome.org/browse/gnome-settings-daemon/tree/plugins/screensaver-proxy)