Developed at George Mason, Omeka is a publishing platform geared toward online exhibit creation and academic, non-technical users, though it still offers a range of features.
Ideal Use: Building resources that revolve around a series of different "items" or pieces of content/media that need to be presented in a clean, searchable format. General text pages are also an option.
Pros:
Cons:
Here is one of many walkthrough videos available from Omeka, though many are devoted to an earlier version of the platform. This recent video shows some of the detailed navigation and exhibit-oriented options of the software: