You can use several services on Microsoft Windows 7
TOTO Connection - All in one VPN Connection( Recommended )
You can use OpenVPN, sTunnel, TunnelPlus, PPTP and L2TP with this Connection
Kerio VPN on Microsoft Windows 7
Kerio VPN can be used for: Kerio VPN Server for connecting clients (desktops, notebooks, mobile devices etc...) Kerio VPN tunnel for connecting LANs.
Cisco VPN on Microsoft Windows 7
Cisco VPN is an SSL VPN Services. Its purpose is to be a secure, small, fast . Data transport over TCP (HTTPS) or UDP (DTLS or ESP).