EntityQ21659489· pop 23· linked from 11 articlesTutaSign in to savefree and open-source end-to-end encrypted email software and hostConnectionsAdvanced Encryption StandardEntitysoftware release life cycleEntityGermanyCountryLinuxEntityoperating systemEntityMicrosoft WindowsEntityQ2005EntityAndroidEntityEdward SnowdenEntitymacOSEntityiOSEntityGNU General Public LicenseEntityQ364EntityNational Security AgencyEntityprogrammerEntityMozilla ThunderbirdEntitysoftware licenseEntityGeneral Data Protection RegulationEntityweb applicationEntitypublic-key cryptographyEntityCategoriesCross-platform softwareFree security softwareFree software programmed in JavaScriptFree software programmed in TypeScriptFree software webmailInternet properties established in 2011Secure communicationSoftware using the GNU General Public License