VpnTraffic creates a virtual private network (VPN) between your laptop and VPN servers. No need to enter server names, All you have to do to set it up is to enter the user name and password. Just open the application and select a server location to connect to. It's that easy. 
 

or you can download vpn dialer for Mac

   vpn dialer for Mac

Features:

• Unlimited switches between VPN server locations (35+ Countries VPN servers).
• Unblock all websites and applications. Including Skype, Facebook, Twitter, VoIP apps and more.
• prevents snoopers and hackers from viewing your email, instant messages, credit card information
• Change your IP address to one of ours and browse anonymously
• Auto set the Google DNS/Open DNS
• No bandwidth limitations
• Support pptp/l2tp Ipsec