PuTTY - Popular free terminal application. Mostly used as an SSH client.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
iTerm2 - A terminal emulator for macOS that does amazing things.
AOMEI Backupper - AOMEI Backupper is a software created to help a person backup, restore, clone, and sync their entire Windows system.