EntityQ1581825· pop 5· linked from 5 articlesTurtle F2FSign in to savetool for exchanging contents in an anonymous and secure way over a friend-to-friend (F2F) networkConnectionsHyphanetEntityQ279182Entityanonymous P2PEntityAmsterdamEntityLinuxEntityoperating systemEntitycomputer networkEntityfree softwareEntityGNU General Public LicenseEntityprogrammerEntitycommunication protocolEntityBitTorrentEntityTorEntitypeer-to-peerEntitysoftware licenseEntitybackupEntityclientEntityDark webConceptAndrew S. TanenbaumEntityUsenetEntityCategoriesAnonymity networksFile sharing networksFile sharing softwareFree network-related softwareFree routing softwareFree software programmed in C++Internet privacy softwareSoftware using the GNU General Public License