What is a good barebones CMS or framework? [closed]

Question

I'm about to start a project for a customer who wants CMS-like functionality. They want users to be able to log in, modify a profile, and a basic forum. They also wish to be able to submit things to a front page.

Is there a framework or barebones CMS that I could expand on or tailor to my needs? I don't need anything as feature-rich or fancy as Drupal or Joomla. I would actually prefer a framework as opposed to a pre-packaged CMS.

I am confident I could code all this from scratch, but would prefer not to, as something like a framework would significantly cut down on my time spent coding, and more on design and layout.

Edit: I should have been more specific. I'm looking for a Content Management System that will be run on a Debian server. So no .net preferably.

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I think i may end up going with Drupal, and only adding modules that I need. Turbogears looks a bit daunting, and i'm still not quite sure what it does after it's 20 minute intro video...

TinyCMS doesn't look like it's been touched since... 2000?!?