Rufus is a utility that helps format and create bootable USB flash drives.

SARDU multiboot creator build one All in One USB media thumb drive or DVD.

Easy2Boot is a portable app that can turn any bootable USB drive into bootable media including Windows and Linux.

WinToFlash is a useful tool that can help you create a bootable Windows setup USB drive from a CD or DVD.

WinSetupFromUSB is a Windows program, which prepares multiboot USB flash or fixed disk to install any Windows versions.