Install, Boot and Run multiple Operating Systems from a single exFAT formatted USB Drive.
FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
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.
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
Balena Etcher - Flash OS images to SD cards & USB drives, safely and easily.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
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.