From this menu you can manage all your Vulture's applications. You can change their configurations and start / stop / reload Apache listeners.
After any configuration change, you need to click on "Reload" in order to synchronize changes on disk.
This operation is safe and won't alter running applications, even if there is a mistake in your configuration: Vulture first checks your conf before stopping running processes.
On the top of the page you will see the list of listeners used by your applications: