VirtualBox - VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as...
PlayOnLinux - PlayOnLinux will allow you to play your favorite games on Linux easily
TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Wine - Open Source Software for running Windows applications on other operating systems.
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.
CodeWeavers CrossOver - Don't buy a Windows license, don't reboot and don't use a Virtual Machine. Try a free trial of CrossOver to run your Windows software on Mac, Linux and Chrome OS.