MultiBoot USB
This is a collection of GRUB scripts that allows to create a bootable pendrive (USB dongle, flash stick) supporting a number of different OS images. Simply copy ISO files under `/iso-imgs`. Both UEFI and Legacy BIOS boot modes can be enabled simultaneously.
GNUstep live CD is a Debian-based Linux distribution containing GNUstep, network tools, multimedia software and games. GNUstep is an implementation of the OPENSTEP and Cocoa frameworks.