Wine-doors is an application designed to make installing windows software on Linux, Solaris or other Unix systems easier. Wine-doors is essentially a package management tool for windows software on Linux systems. Most Linux desktop users are familiar with package management style application delivery, so it made sense to apply this model to windows software.
L. Radford. Proceedings of the 29th Conference of the International Group for the Psychology of Mathematics Education, 1, page 143-145. Melbourne, Australia, University of Melbourne, (2005)