“Swiftfox is a Firefox-based browser, but there is one big
difference between it and Firefox–you can’t share Swiftfox with a
friend or place it in a repository of a Linux distribution because
the Swiftfox license prohibits repackaging and redistribution.“Swiftfox developer Jason Halme writes on his site, ‘the
licensing restrictions were put in place to safeguard Swiftfox
users against the possibility of obtaining tainted versions from
anyone who may wish to maliciously alter the binary and
redistribute it…'”