OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port.
Discussion forums and project wiki can be found here:
https://forums.openvpn.net/
http://community.openvpn.net/openvpn
"TKMsense" an easy to use secure OpenBSD based firewall distribution. TKMsense's main goal is to blend ease of use and security. While still being friendly to the beginner.
Full source code
https://sourceforge.net/projects/tkmsense/files/TKMsense_Source_Code/
TKMsense versions
1. ISO-this file is meant to be burned to a CD/DVD or to install into a hypervisor's vm
x86_64 bit https://sourceforge.net/projects/tkmsense/files/TKMsense_V0.0.4/amd64/TKMsense_0.0.4_amd64.iso/download
x86_32 bit https://sourceforge.net/projects/tkmsense/files/TKMsense_V0.0.4/i386/TKMsense_0.0.4_i386.iso/download
Important note "TKMsense only helps with networking settings. not initial installation."