macUSB is described as 'The easiest way to create legacy macOS bootable drives on modern Macs. Revive old Intel Macs using your Apple Silicon machine — no terminal knowledge required' and is a bootable usb creator in the cd/dvd tools category. There are more than 50 alternatives to macUSB for a variety of platforms, including Windows, Linux, Mac, Flathub and PortableApps.com apps. The best macUSB alternative is Rufus, which is both free and Open Source. Other great apps like macUSB are Ventoy, balenaEtcher, UNetbootin and YUMI exFAT.
macUSB alternatives are mainly Bootable USB Creators, but if you're looking for
Disk Imaging Tools or Linux Distros you can filter on that. These are just examples - use the filter bar below to find more specific alternatives to macUSB.