LogMeIn Hamachi is a zero-configuration virtual private networking (VPN) application that allows you to arrange multiple computers into their own secure network just as if they were connected by a physical network cable. Hamachi gives you LAN over the Internet. Virtually any application that works over local/home networks can also be used over Hamachi networks.
Full Specifications
What's new in version 2.1.0.108
May include unspecified updates, enhancements, or bug fixes.