TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Aspia - Aspia is a free and open source application for remote computer management.
NuoRDS Terminal Server for Mac - This software is a secure and scalable Terminal Server for macOS. Compatible with the Microsoft Remote Desktop Protocol (RDP) and thus with most Remote Desktop clients.
Screenleap - Screenleap is a web app that lets users share their device's screen over the Internet. These screens can be a desktop computer monitor or a smartphone screen or anything else that can load a web browser. Read more about Screenleap.
NoMachine - Get to your desktop at the speed of light. NoMachine is the fastest remote desktop you have ever tried. Control any computer in the world and start working on it as if it was right in front of you. Free for individual use.
ISL Light - ISL Online allows fast support to unattended computers and on-demand remote support for your clients. Set up permanent access by installing a remote access agent on any Windows or Mac computer. See all the features.