Machiavelli 5.5.123 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. Machiavelli for Mac lies within Games, more precisely Card. The actual developer of this free software for Mac is Antonio Ferraioli. We recommend checking the downloaded files with any free antivirus.
From the developer:
Machiavelli !! lets you play a popular Italian card game derived from Rummy. It is similar to Carousel, Vatikan and Rummykub. You can learn the basic rules following the included help about rules and possible gestures. Two game modes are available: Single Game and Score Mode.
You may want to check out more Mac applications, such as Assassin's Creed 2, which might be similar to Machiavelli.