See http://www.ventoy.net for detail.
# Features
-* 100% open source (license)
-* Simple to use (Get started)
+* 100% open source
+* Simple to use
+* Fast (limited only by the speed of copying iso file)
* Directly boot from iso file, no extraction needed
* Legacy + UEFI supported in the same way
+* ISO files larger than 4GB supported
* Native boot menu style for Legacy & UEFI
* Most type of OS supported, 100+ iso files tested
+* Not only boot but also complete installation process
* "Ventoy Compatible" concept
* Plugin Framework
* Readonly to USB drive during boot
* USB normal use unafftected
* Data nondestructive during version upgrade
+* No need to update Ventoy when a new distro is released