RapidSupport is described as 'Allows you to effortlessly support your clients no matter where they are located! It works through most firewalls and routers without any special configuration to remote control your client's PC' and is a Remote Desktop tool in the network & admin category. There are more than 50 alternatives to RapidSupport for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best RapidSupport alternative is TeamViewer. It's not free, so if you're looking for a free alternative, you could try TeamViewer or RustDesk. Other great apps like RapidSupport are Remmina, Chrome Remote Desktop, DWService and NoMachine.