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.
Wifislax is a Slackware-based live CD containing a variety of security and forensics tools. The distribution’s main claim to fame is the integration of various unofficial network drivers into the Linux kernel, thus providing out-of-the-box support for a large number of wired and wireless network cards.