But, it’s not that UltraSurf is not available for Mac OS X. UltraSurf is mainly available for Windows Operating System and made a big hit since its release. UltraSurf is an open source application which is available for all the devices for free. UltraSurf is a fantastic application which helps you to bypass the firewalls and make you surf the web quickly. To resolve this issue, you can use an most powerful tool called UltraSurf which allows you safe internet connection. Firewalls block the internet connections and make us uncomfortable surfing of the web. Download and Use UltraSurf for Mac OS X – Are you worried about the firewalls which block your internet connection and make you more trouble.