Alternative apps to MultiBootUSB:
MultiBootUSB Alternatives
MultiBootUSB allows you to install multiple live linux on a USB disk non destructively and option to uninstall distros. Try out the world's first true cross platform multi boot live usb creator for free.
MultiBootUSB is a software / installer which allows user to install multiple Live Linux Distros in to a single USB drive / Pendrive / Flash drive and able to boot from it. USB can be tested without reboot using inbuilt QEMU. Read more.