UNetbootin

UNetbootin (Universal Netboot Installer) is a cross-platform utility that can create Linux Live USB drives and can load a variety of system utilities or install various Linux distributions and other operating systems without a CD.
Development.
UNetbootin is an open-source software project. It has 130,000+ weekly downloads.
For Windows, Mac OS X and Linux systems, UNetbootin may make it possible to do without the hard drive.
Packages.
UNetbootin is part of many official software package repositories, including Debian, Ubuntu, Fedora, OpenSUSE, Gentoo Linux, and others.