Ventoy is the ultimate multi-boot USB drive creation tool, in my opinion. I also use PINN, a similar tool for my Raspberry Pi OS installs, but that's for installing multiple OS on the same disk drive.

Here’s how you can make your own multi-OS installer DVD-completely legal, and no piracy involved (as long as you don’t go distributing these DVDs, of course)! 1. Magic ISO Maker, a powerful CD/DVD ...

Windows: If you're tired of managing five or six different live CDs for testing and troubleshooting, free program XBoot will help you merge them all onto one DVD or thumb drive with simple ...

Most IT professionals carry a bootable USB with recovery software, Antivirus scanners, Bootable Linux, etc. But the problem is that they need multiple USB drives for each image. Here is a solution – ...