What Did People Do in a Medieval Town?
Huge listing of various occupations held during the Middle Ages

Town Life
Good introduction, including link to more detailed information

The History and Construction of Medieval Timber-Framed Houses in England and Wales
It is what it says it is.

Medieval European Recipes
See some of the things that people ate back then.

Medieval Legal History
Huge list of resources, including many primary sources

Medieval Economics
Lots of good information here, but the site design could use some work

Maps of Medieval Trade Routes
Includes European routes to/from Scandinavia, North Africa, and Asia Minor