TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
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.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
LogMeIn - LogMeIn gives you fast, easy remote access to your PC or Mac from your browser, desktop and mobile...
iTerm2 - A terminal emulator for macOS that does amazing things.