Rufus
Open Source
Rufus is a utility that helps format and create bootable USB flash drives.
Universal USB Installer
Open Source
Universal USB Installer aka UUI is a Live Linux Bootable USB Creator.
WinToFlash
Freemium
WinToFlash is a useful tool that can help you create a bootable Windows setup USB drive from a CD or DVD.
WinSetupFromUSB
Free
WinSetupFromUSB is a Windows program, which prepares multiboot USB flash or fixed disk to install any Windows versions.
XBoot
Free
XBoot is yet another neat little Multiboot ISO USB Creator.
RMPrepUSB
Free Personal
RMPrepUSB is the application you need if you want to create bootable USB drives.
UNetbootin
Open Source
Bootable live USB creator for Ubuntu, Fedora, and Linux distributions.
Etcher
Open Source
Etcher is a powerful OS image flasher built with web technologies to ensure flashing an SDCard or USB drive is a pleasant and safe experience.
SARDU
Free Personal
SARDU multiboot creator build one All in One USB media thumb drive or DVD.
Easy2Boot
Free
Easy2Boot is a portable app that can turn any bootable USB drive into bootable media including Windows and Linux.
MultiBootUSB
Open Source
MultiBootUSB is a cross platform software written in python which allows you to install multiple live Linux on a USB disk non destructively.
Compare YUMI with alternatives
Compare Universal USB Installer and YUMI and decide which is most suitable for you.
Compare WinSetupFromUSB and YUMI and decide which is most suitable for you.