The OS Skinpack is a collection of WindowBlinds skins that can change Windows 95, 98, NT, or 2000 to look like many of the most popular OSs. The OSs include Macintosh, Amiga, OS/2 2.0, OS/2 Warp 3, OpenStep, Linux KDE, Windows 3.1, and more. It also includes OSWars 2000, which is an article describing the pros and cons of the various operating systems.