No specific info about version 2.3. Please visit the main page of VPNClient on Software Informer.
Kerio VPN Client helps connect remote users and offices securely and easily.
Facilitates a VPN configuration easy for users and supports VPN schemas as PPTP.
The program allows establishing secure connections over the Internet.
TheGreenBow IPSec VPN Client software is an on demand providing remote access.
It is a tool which allows multiple remote desktop sharing sessions.
It is designed for the connection of laptop and home-based workstations.