Similar to Mozilla_Thunderbird
Proton VPN
Proton VPNProVerif
ProVerifPuTTY
PuTTYQubes OS
Qubes OSRiseup
RiseupRLogin
S/MIME
S/MIMESecure Shell
Secure ShellSecurity Support Provider Interface
Security Support Provider InterfaceSignal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 implementationsTuta
Tuta (email)Virtual private network
Virtual private networkWhonix
WhonixWinSCP
WinSCPWireGuard
WireGuardWolfSSL
WolfSSLWuala
WualaZeroNet
ZeroNet暗号ライブラリの比較
Comparison of cryptography libraries次世代セキュアコンピューティングベース
Next-Generation Secure Computing BaseShadowsocks
Shadowsocks