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.
wine-doors works by leveraging the exquisite software, libraries and tools created over at winehq, there are also plans to support cedega, cvscedega and crossover office.
updating to 0.1.3 is highly recommended.