A graphical user interface for OpenVPN on Mac OS X
Tunnelblick's official website is at https://tunnelblick.net.
Tunnelblick is a free, open source graphic user interface for OpenVPN on Mac OS X. It provides easy control of OpenVPN client and/or server connections.
It comes as a ready-to-use application with all necessary binaries and drivers (including OpenVPN and tun/tap drivers). No additional installation is necessary -- just add your configuration and encryption information.
To use Tunnelblick you need access to a VPN server -- your computer is one end of the tunnel and the VPN server is the other end.
Hosted VPN service designed to host servers without public IP
...Your traffic is also secured by AES and RSA encryption. You can connect to computers within the same network anytime, distance is not a problem. DTun4 connects to remote server to establish direct p2p connections. After the process is done, each packet you send appears on every computer in your network.