http://openvpn.net/ - http://openvpn.net/
SSL/TLS based user-space VPN. Supports Linux, Solaris, OpenBSD, FreeBSD, NetBSD, Mac OS X, and Windows 2000/XP. |
http://www.tinc-vpn.org/ - http://www.tinc-vpn.org/
A self-contained VPN solution designed to connect multiple sites together in a secure way. Runs on Linux, FreeBSD, OpenBSD, NetBSD, MacOS/X, Solaris, Windows 2000 and XP. |
Linux FreeS/WAN Project - http://www.freeswan.org/
An opensource project and software package for creating IPsec VPNs to and from Linux machines. |
Linux IP Tunnel Mini-HOWTO - http://linas.org/linux/iptunnel.html
Instructions on how to setup a IP tunnel under Linux |
Linux VPN HOWTO - http://tldp.org/HOWTO/VPN-HOWTO/
Setting up a VPN with ssh and ppp. |
Linux VPN Masquerade HOWTO - http://www.tldp.org/HOWTO/VPN-Masquerade-HOWTO.html
How to configure masquerading of IPsec and PPTP VPN traffic. |
Linux-Sec: VPN Page - http://www.linux-sec.net/VPN
Collection of Linux VPN HowTos and free software. |
OpenBSD - Secure Free Operating System - http://www.openbsd.org
OpenBSD aims to produce a free, secure multi-platform operating system that integrates strong cryptography including a current and complete IPSec implementation. |
OpenVPN GUI - http://openvpn.se/
A Windows GUI for OpenVPN. Gives a systray icon with a menu to control OpenVPN. |
PPTP_GUI Home - http://pptp-gui.sourceforge.net
A graphical user interface to the pptp-client software for Linux and BSD. |