Tunnelblick
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...