Several documents relating to the World War 2 is available at the webpage of the Avalon Project at Yale Law School:

http://www.yale.edu/lawweb/avalon/wwii/wwii.htm

& here is another site:

http://www.mtholyoke.edu/acad/intrel/ww2.htm

-------------------------------------------------

From war-time stories to galleries offering hundreds of documents, here is a project by the BBC to gather the stories of ordinary people from World War II:
http://www.bbc.co.uk/history/war/wwtwo/

-------------------------------------------------

Here is the multimedia map of the war that covers the war from the invasion of Russia to the fall of Berlin:

http://english.pobediteli.ru/

-------------------------------------------------

Thousands of World War II photographs and movies, available at:
http://warphotos.basnetworks.net/