Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Pinguy Builder - A fork of Remastersys
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Cubic - Cubic (Custom Ubuntu ISO Creator) is a GUI wizard to create a customized bootable Ubuntu Live CD...
AOMEI Backupper - AOMEI Backupper is a software created to help a person backup, restore, clone, and sync their entire Windows system.
Distroshare Ubuntu Imager - Remaster your Ubuntu install!