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.
Balena Etcher - Flash OS images to SD cards & USB drives, safely and easily.
Win32 Disk Imager - Create and restore image backups of disk drives.
Tuxboot - Tuxboot helps you to create a bootable Live USB drive for Clonezilla live, DRBL live, GParted live...
USB Image Tool - Overview. USB Image Tool can create images of USB flash drives and MP3 players, that are mounted as USB drives. It allows you switch between images with different music styles on your MP3 Player or to make an exact backup image of your USB Stick.
mkusb - (Straight up rufus for Linux users ) The mkusb tool was developed to make it simpler and safer to create boot drives with the method to flash or clone an iso image or a compressed image file. It is using dd under the hood.