YUMI Legacy is described as 'The “Legacy variant” refers to the earliest version of the YUMI app ~ software that is designed to work with older hardware that use BIOS instead of UEFI. UEFI (Unified Extensible Firmware Interface) is a modern replacement for the traditional BIOS system, and some older systems' and is a bootable usb creator in the os & utilities category. There are more than 50 alternatives to YUMI Legacy for a variety of platforms, including Windows, Linux, Mac, Flathub and PortableApps.com apps. The best YUMI Legacy alternative is Rufus, which is both free and Open Source. Other great apps like YUMI Legacy are Ventoy, balenaEtcher, UNetbootin and YUMI exFAT.