UberCab 1.0 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Lifestyle Tools, more precisely Travel. We recommend checking the downloaded files with any free antivirus. This free software for Mac OS X is an intellectual property of UberCab LLC.
From the developer:
UberCab
by UberCab LLC
UberCab - ONE CLICK CAR SERVICE
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UberCab members, it's finally here, an iPhone app that will provide the elite and efficient experience of a private driver without the exorbitant cost. Our on demand car service, is mostly in San Francisco, but quickly building our network of limo drivers in other cities. Keep checking back often and we may just be in your city next time you launch our app.
You may want to check out more Mac applications, such as Tempus Irae, GMapCreator or Cortex Command b23, which might be similar to UberCab.