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Downloadable computer system and application software for secure and encrypted access to the internet, world-wide web, and virtual reality metaverses on computers, tablets, phones, and other mobile devices; Downloadable computer software for enabling virtual private network (VPN) operation on computers and mobile computing devices; Downloadable computer software for accessing secure, authenticated, end-to-end encrypted virtual private network (VPN) tunnels with peer-to-peer support, ad-blocking DNS filtering, alternative routing to avoid censorship, and open source network access; Downloadable computer software for managing and synchronizing secure, encrypted email, individual and group calendars and schedules, contacts, and tasks on computers, tablets, phones, and other mobile devices; Downloadable computer software for searching encrypted email contents, and managing email aliases; Downloadable computer software for automatically organizing and filtering emails, and blocking tracking, spyware, malware, and unwanted commercial emails; Downloadable computer software for adding encrypted email support to third-party email clients; Downloadable computer application software to manage numeric certification, numeric authentication, issuance, validation, and management of digital certificates, with utilization of cryptography and digital signatures, to enable organizations and individuals to secure business and personal transactions across communication networks; Downloadable computer software for accessing, managing, and searching secure, encrypted data files and file metadata stored on remote cloud data servers; Downloadable computer software for sharing encrypted data files stored on remote cloud data servers with password protection and time-limited access links and on peer-to-peer sharing services

Providing global server network for virtual private network (VPN) services; Providing VPN server network services with peer-to-peer support, ad-blocking DNS filtering, alternative routing to avoid censorship, and open source network access; Providing encrypted DNS directory server network services for DNS query privacy protection; Providing secure, private email communication services with end-to-end encryption; Providing secure, private email services with spam filtering, tracking protection, anti-malware and phishing protection; Providing secure, private email services with password-protected encrypted email, and message search functions; Providing secure, private remote data storage services with end-to-end encryption of files and metadata; Providing secure, private remote data storage services for sharing encrypted data files with password protection and time-limited access links and on peer-to-peer sharing services; Providing secure, private remote data storage services and indexing for searching encrypted data files and file metadata

Providing on-line non-downloadable Software as a Service (SaaS) software for managing and synchronizing secure, encrypted email, individual and group calendars and schedules, contacts, and tasks on computers, tablets, phones, and other mobile devices; Providing on-line non-downloadable Software as a Service (SaaS) software for searching encrypted email contents, and managing email aliases; Providing on-line non-downloadable Software as a Service (SaaS) software for automatically organizing and filtering emails and blocking tracking, spyware, malware, and unwanted commercial emails ("spam"); Providing on-line non-downloadable Software as a Service (SaaS) software to manage numeric certification, numeric authentication, issuance, validation, and management of digital certificates, with utilization of cryptography and digital signatures, to enable organizations and individuals to secure business and personal transactions across communication networks; Providing on-line non-downloadable Software as a Service (SaaS) software for sharing, importing, and migrating email, contacts, and calendars from other third-party services; Providing on-line non-downloadable Software as a Service (SaaS) software for accessing, managing, and searching secure, encrypted data files and file metadata stored on remote cloud data servers; Providing on-line non-downloadable Software as a Service (SaaS) software for sharing encrypted data files stored on remote cloud data servers with password protection and time-limited access links; Technological research in the fields of information and communication technologies relating to censorship, filtering and blocking content, and cybersecurity, privacy, threat analysis, digital technologies, human rights, and digital security