Whether it's an ancient version of Quicken you still use to keep track of finances or a game you still love from your PC-bound past, there are certain programs you simply cannot find for the Mac. Wineskin is a Mac app that brings Wine to your Mac, OS X style, allowing you to create custom packages including everything your favorite Windows programs need to run on your Mac (well. Install Windows software on your Mac – without the need for a virtual machine, an emulator or dual-booting.