Dism++ - Dism++ is a free portable Windows optimizer and manager.
Rufus - Rufus is a piece of software that allows you to transform a portable drive, like a flash drive or other USB drives, into a bootable drive that can be used for a variety of purposes. Read more about Rufus.
NTLite - The Ultimate Windows Customization Tool
UNetbootin - UNetbootin is a utility for creating live bootable USB drives. The name of the software is short for Universal Netboot Installer, and its most prevalent use has been to create bootable versions of Linux distributions on a USB drive.
Winbuilder - "WinBuilder is an engine designed to build and customize boot disks (Live CDs) based on...
Balena Etcher - Flash OS images to SD cards & USB drives, safely and easily.