DiskMaker X helps you to build a bootable drive from the official OS X installer app.

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.

YUMI (Your Universal Multiboot Installer), is the successor to our MultibootISOs. It can be used to create a Multiboot Bootable USB Flash Drive.

MultiSystem creates a MultiBoot USB from Linux.

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

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

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

LinuxLive USB Creator is a free Microsoft Windows program that creates Live USB systems from installed images of supported Linux distributions.

MultiBootUSB is a cross platform software written in python which allows you to install multiple live Linux on a USB disk non destructively.

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

Bootable live USB creator for Ubuntu, Fedora, and Linux distributions.

XBoot is yet another neat little Multiboot ISO USB Creator.