TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
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.
mRemoteNG - mRemoteNG is a fork of mRemote, an open source, tabbed, multi-protocol, remote connections manager.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
join.me - Instant screen sharing. Instant Aha!
Aspia - Aspia is a free and open source application for remote computer management.