CodeWeaver are giving away CrossOver – an alternative to Parallels and VMWare you can run Windows applications and games on Mac or Linux (several variants) without the need to dual boot or run through a virtual machine.
Why? To get you to vote! You can read the bizarre press release here.
You can see if any specific Windows applications will run with CrossOver by checking it’s extensive and well maintained compatibility list.
Free Download of CodeWeaver’s CrossOver and if you’ve been affected by Hurricane Sandy (i.e. no internet connection at present), the good guys at CodeWeaver have a page ready for you to access when your Internet connection is hopefully back up.