TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
jGameBase - jGameBase is a fully-featured retro-gaming emulator frontend and game database utility.
AnyDesk - AnyDesk is the world's most comfortable remote desktop application. Access all your programs, documents and files from anywhere, without having to entrust your data to a cloud service.
Z26 - Z26 is one of the best emulators for the Atari 2600.
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.
Javatari - Javatari is a multiplayer Atari 2600 emulator written in pure Java with no external libs.