Content Management

If you want the ability to update your own site, create new pages, add images, generate RSS feeds, you'll need to use a CMS. NMC has chosen to support the Mura CMS. This open-source solution is a full-feature offering with tons of features and offers great ease-of use for content contributors.
Here is a quick rundown of Mura's features (copied verbatim from their site).
Feature-rich, but always easy to use.
Mura is designed to help you manage your site content easily, with as little hassle as possible. Mura's got hundreds of built-in features that make this possible - here's a quick look at the highlights:
Easy and fast content editing - Need to fix a typo or add a new page? It takes just a couple clicks, and you're all set. Mura takes the pain out of content management.
World-class CSS Support - Mura makes life better for CSS designers and developers, with best-in-class CSS capabilities. It really is what you've been looking for...
Rapid Site Development - With integrated templates, and dozens of pre-built content objects like navigation, forms and more, Mura can reduce your development time by days.