Freespire is the "free" community version of Linspire which used to be known as Lindows. Remember the lawsuit with M$ over Lindows name?
CNR is Linspire proprietory repository. I think there is different levels, some free, some pay.
From bit of googling, apparently Freespire has had problems with software that allows access to CNR repository. These problems are supposed to have been cleared up with release late last year. I suggest you install latest release possible or look for patch on the Freespire site.
I havent messed with Freespire or Linspire, but think they are based on Debian so may have apt-get installed and you can thus set them up to use deb packages.
There is certain interchangability with packaging systems. Puppy Linux for instance has its own native packages, the dotpups and dotpets. But it also is moving in direction of using Slackware packages directly. Redhat and Mandrake/Mandriva RPMs can be un-rpmed and installed manually. These usually work. Debs can be un-debbed and used also though they probably have lowest success rate in Puppy as Puppy isnt debian based.
Oh and now Freespire/Linspire is based on Ubuntu:
http://desktoplinux.com/news/NS7103672739.html
Feb. 08, 2007
[Updated 8:30AM] -- Canonical Ltd., the sponsor of Ubuntu, and Linspire Inc., the developer of Linspire and Freespire, on February 8 announced a technology partnership to integrate with each other's Linux distributions. Linspire/Freespire will be based on Ubuntu, rather than Debian, and Ubuntu will integrate with Linspire's CNR package installer/updater.
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Starting with Ubuntu's 7.04 release in April, Ubuntu users will gain access to Linspire's newly opened CNR (Click and Run) e-commerce and software delivery system. For Linspire, that will mean moving from Debian to Ubuntu as the base for its Linspire and Freespire desktop operating systems (see figure, below).