Whisky, the open source WINE front-end enabling Windows gaming on Mac, has shut down.Isaac Marovitz, the developer, announced the end of the project, advising users to switch to CrossOver, a paid alternative.Marovitz cited the balancing act between school and development work as a reason for shutting down the project.The discontinuation of Whisky brings attention to the need for Apple to provide a user-facing Game Porting Toolkit.