Similar to OpenVPN
GnuTLS
GnuTLS
Gpg4win
Gpg4win
GPGTools
Hamachi
LogMeIn HamachiJitsi
JitsiJohn the Ripper
John the Ripper
KeePass
KeePassKeePassX
KeePassX
KeePassXC
KeePassXCKGpg
KGPG
Kontact
Kontact
LibreSSL
LibreSSLLUKS
Linux Unified Key SetupOnion Browser
Ophcrack
OphcrackProton VPN
Proton VPN
PuTTY
PuTTY
Riseup
RiseupStrongSwan
StrongSwan
Tox (プロトコル)
Tox (protocol)
Shadowsocks
Shadowsocks
Sylpheed
SylpheedTrueCrypt
TrueCrypt
秘文
FileCapsule Deluxe Portable
Layer 2 Tunneling Protocol
Layer 2 Tunneling Protocol
Point to Point Tunneling Protocol
Point-to-Point Tunneling Protocol
UT-VPN
UT-VPN
