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A free and open-source graphic user interface for OpenVPN. With Tunnelblick anyone can create a connection with a Virtual Private Network on macOS, as long as they have access to a VPN server. Tunnelblick is openly developed and all source code is available for anyone to take a look at or improve upon, thus you can be sure that Tunnelblick is developed with privacy and security in mind. The software is released under the GNU General Public License (GPL 2).