PureVPN Mac VPN Software
PureVPN's redesigned Mac VPN client offers hack-proof encryption and IPsec protocol, along with multi-language support, a revamped UI, and StealthVPN Protocol. It is compatible with OSX Sierra.
GZ Systems Ltd. 
PureVPN Windows VPN Software
The updated PureVPN Windows VPN app offers enhanced features, faster speeds, and improved usability. Along with robust protection through antivirus and URL filtering, the app also includes a feedback mechanism to ensure user satisfaction.