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.
Parabola GNU/Linux-libre is an unofficial “libre” variant of Arch Linux. It aims to provide a fully free (as in freedom) distribution based on the packages of the Arch Linux project, with packages optimised for i686 and x86_64 processors. The goal is to give the users complete control over their systems with 100% “libre” software. Parabola GNU/Linux-libre is listed by the Free Software Foundation (FSF) as a fully free software distribution. Besides a standard installation CD image, the project also provides a live/rescue DVD image with MATE as the default desktop environment.