Remote Administrator Control is described as 'is designed for connection to a remote computer where you can work fully as if working on a local computer' and is an app in the network & admin category. There are more than 50 alternatives to Remote Administrator Control for a variety of platforms, including Windows, Linux, Mac, Android and iPhone. The best alternative is TeamViewer. It's not free, so if you're looking for a free alternative, you could try Remmina or DWService. Other great apps like Remote Administrator Control are AnyDesk, UltraVNC, NoMachine and MeshCentral.
Remote Utilities is a remote PC access program for connecting to a remote PC over LAN or via the Internet. The program is used by system administrators, home users and helpdesks for remotely managing PCs in their corporate or home network, or providing customer support.