OpenVPN is a free and open source virtual private network (VPN) program for creating point-to-point or server-to-multiclient encrypted tunnels between host computers. OpenVPN is considered to be extremely secure when compared to the PPTP VPN, and also more stable. The disadvantages are related are to the installation (it requires client software) and to the lower speed.
When you buy OpenVPN VPN take a look to the server locations, bandwidth offered, protocols available and to the compatibility with your device!
Most of the VPN providers offer the following alternatives when it comes to setup their services with PPTP.
In order to find OpenVPN VPN providers simply search through the VPN providers list.