OpenVPN Client is free and is available for Windows, Mac, and Linux. For Windows, this client is compatible with all versions of Windows, including Windows 7, Windows Vista, Windows XP, and Windows 2000. Of course, you will have to have a working OpenVPN server to connect to. Fortunately, that server is incredibly easy to set up.
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Jack Wallen is an award-winning writer for TechRepublic and Linux.com. He’s an avid promoter of open source and the voice of The Android Expert. For more news about Jack Wallen, visit his website getjackd.net.