OpenConnect GUI!

sshuttle: where transparent proxy meets VPN meets sshsshuttle is the only program that solves the following common case:

Make the VPN experience simpler and more secure with the enhanced remote access technology of Cisco AnyConnect Secure Mobility Client. This software builds on prior Cisco AnyConnect VPN Client offerings to improve the always-on VPN experience across more laptop and smartphone-based mobile devices, including laptops using Microsoft Windows 7.

The Shrew Soft VPN Client is a free IPsec Remote Access VPN Client for both Windows 2000, XP, Vista and Windows 7 operating systems ( x86 and amd64 versions ) and for FreeBSD, NetBSD and Linux based operating systems. It was originally developed to provide secure communications between mobile Windows hosts and open source VPN gateways that utilize standards compliant software such as ipsec-tools, OpenSWAN, FreeSWAN, StrongSWAN, isakmpd. It now offers many of the advanced features only found in expensive commercial software solutions and provides compatibility for VPN appliances produced by vendors such as Cisco, Juniper, Checkpoint, Fortinet, Netgear, Linksys, Zywall and many others.The Linux version supports most of the features availalble in the Windows VPN Client version with the exception of those which are not cross platform compatible. »

Front End to VPNC, a command line VPN client for Cisco VPN hardware. This client is known to work on: Windows 2000, Windows XP, Windows 2003, Windows Vista, Windows 2008 and Windows 7. It supports both 32 bit (x86) and 64 bit (x64/x86_64).