tarsnap is not open source: "While the Tarsnap code itself has not been released under an open source license, some of the "reusable components" have been publ

tarsnap is not open source: "While the Tarsnap code itself has not been released under an open source license, some of the "reusable components" have been published separately under a BSD license" http://www.tarsnap.com/oss.html http://www.tarsnap.com/oss.html The source code for tarsnap is available to view, so you could audit/inspect it yourself, but it is not under an open source license.