Install, Boot and Run multiple Operating Systems from a single exFAT formatted USB Drive.
Rufus - Rufus is a piece of software that allows you to transform a portable drive, like a flash drive or other USB drives, into a bootable drive that can be used for a variety of purposes. Read more about Rufus.
Tiny PXE Server - Small portable standalone PXE server (dhcp+tftp+http)
Balena Etcher - Flash OS images to SD cards & USB drives, safely and easily.
ERPXE - ERPXE project simplifies the process of installing and customizing a Multi-Boot PXE server.
UNetbootin - UNetbootin is a utility for creating live bootable USB drives. The name of the software is short for Universal Netboot Installer, and its most prevalent use has been to create bootable versions of Linux distributions on a USB drive.
Serva 32/64 - Serva is an Automated PXE Server Solution Accelerator based on an all-in-one portable multi-server engine