OpenVPN.org offers:
(1) a Software as a Service (SAAS) platform called Private Tunnel, which routes your traffic through THEIR servers;
(2) a licensed OpenVPN Access Server product, which you install on your server, but it provides a nice GUI-driven web interface for configuring OpenVPN;
(3) the Free and Open Source Software project OpenVPN, which you download and install and configure using text files.