SoftEther VPN - An Open-Source Cross-platform Multi-protocol VPN Program http://www.softether.org/

We use GitHub as the primary official SoftEther VPN repository: https://github.com/SoftEtherVPN/SoftEtherVPN/

Source code packages (.zip and .tar.gz) and binary files are also available: http://www.softether-download.com/

Copyright (c) 2012-2014 SoftEther Project at University of Tsukuba, Japan.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

SoftEther VPN ("SoftEther" means "Software Ethernet") is one of the world's most powerful and easy-to-use multi-protocol VPN software.

SoftEther VPN runs on Windows, Linux, Mac, FreeBSD and Solaris.

SoftEther VPN supports most of widely-used VPN protocols including SSL-VPN, OpenVPN, IPsec, L2TP, MS-SSTP, L2TPv3 and EtherIP by the single SoftEther VPN Server program.

More details on http://www.softether.org/.