I'm disagree with you. Micro$oft Windows with IE is a monopoly because first in Windows installation don't ask me about if i like install it and second IE is part of OS and as consecuence I can't uninstall it (I haven't this option).
Therefore Micro$oft obliges me to have software installed that I don't want.
Then you should try Gentoo. I don't know any other OS'es which let you c