See also http://www.portablefreeware.com/?id=2253
Sadly sold out and no updates since years. (2020-03-03)
(also downloads the various tools, e.g. AVG, AntiVir, Kaspersky, F-Secure, ...)
Previously available at www.tux.org/pub/people/kent-robotti/looplinux/rip/, defunct since 2016, cf http://wayback.archive.org/*/http://www.tux.org/pub/people/kent-robotti/looplinux/rip/
"create bootable Live USB drives for Ubuntu and other Linux distributions without burning a CD"