Similar to Sylpheed
Peer to Peer
Peer-to-peer
Pretty Good Privacy
Pretty Good Privacy
Proton VPN
Proton VPNProVerif
ProVerif
Qubes OS
Qubes OS
Riseup
Riseup
RLogin
S/MIME
S/MIME
Secure Shell
Secure ShellSecurity Support Provider Interface
Security Support Provider InterfaceSignal (メッセージングアプリ)
Signal (software)
Signalプロトコル
Signal ProtocolSilent Circle
Silent Circle (software)
SSLeay
SSLeayStrongSwan
StrongSwan
Stunnel
StunnelSyskey
Syskey
The Guardian Project (ソフトウェア)
Guardian Project (software)
TLS実装の比較
Comparison of TLS implementations
Tox (プロトコル)
Tox (protocol)Tuta
Tuta (email)VeraCrypt
VeraCrypt
Virtual private network
Virtual private networkWire (ソフトウェア)
Wire (software)
WireGuard
WireGuard
WolfSSL
WolfSSLWuala
Wuala
ZeroNet
ZeroNet
