TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
mRemoteNG - mRemoteNG is a fork of mRemote, an open source, tabbed, multi-protocol, remote connections manager.
ConnectWise Control - ConnectWise Control is a mobile app that allows you to instantly connect with another system from anywhere with a connection to the internet. The software not only comes in a mobile app, but it has a desktop version as well for complete coverage.
join.me - Instant screen sharing. Instant Aha!
GoToAssist - RescueAssist, formerly GoToAssist, identifies, diagnoses & solves issues fast with our remote desktop support software. Learn more about RescueAssist today!
Chrome Remote Desktop - The easy way to remotely connect with your home or work computer, or share your screen with others.