Getscreen.me - Remote access from a browser. Free trial is available. Simple and easy to use screen sharing software.

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.

SecPanel - SecPanel is an Ssh GUI for Unix.

VirtualHere - Allows USB devices to be used remotely over a network just as if they were locally connected!

Lterm - Lterm is a terminal emulator for GNU/Linux systems.