Ubuntu without any branding

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http://askubuntu.com – (This question is out of interest and not because I have a problem with my machine. If it belongs to some other forum, tell me instead of downvoting me.) I remember that a couple of years ago, there used to be a fork of ubuntu that included only free software. (Free as Richard Stallman would like.) It did not have firefox, had iceweasle. It did not have proprietary stuff in the kernel or anything. I had installed it just when Richard Stallman had visited my college. Did not like it at all as I could not use it for my laptop. Does anyone know about/remember that OS? I just want the name. (HowTos)