Similar to Freenet
Microsoft Outlook
Microsoft OutlookNaCl (ソフトウェア)
NaCl (software)Network Security Services
Network Security ServicesOpenSSH
OpenSSHOpenSSL
OpenSSLOpenswan
OpenswanOpenVPN
OpenVPNOphcrack
OphcrackPoderosa
Pretty Good Privacy
Pretty Good PrivacyProton VPN
Proton VPNProVerif
ProVerifPuTTY
PuTTYQubes OS
Qubes OSRiseup
RiseupRLogin
S/MIME
S/MIMESecure Shell
Secure ShellSecurity Support Provider Interface
Security Support Provider InterfaceSignal (メッセージングアプリ)
Signal (messaging app)Signalプロトコル
Signal ProtocolSilent Circle
Silent Circle (software)SSLeay
SSLeayStrongSwan
StrongSwanStunnel
StunnelSyskey
SyskeyThe Guardian Project (ソフトウェア)
Guardian Project (software)TLS実装の比較
Comparison of TLS implementations