Toggle systemd services on/off from a popup menu in the top gnome panel. Can be used to start services like apache2, mysql, postgres. It uses `pkexec' to run `sytemctl'. If you want to start services without entering a password you have to polkit policy file. An example policy file can be found in the github repository.

Extension Homepage https://github.com/petres/gnome-shell-extension-services-systemd