WorldLII Courts & Caselaw - Links to Web pages for any courts within each country.
Lexadin portal to courts and cases
Constitutional Courts - Council of Europe list of links to Web pages of constitutional courts and equivalent bodies. Here is the related case database.
International Law in Domestic Courts - Law library subscription to treaty violation cases decided foreign courts.
Historically significant foreign and international cases are in the World Trials database. (library subscription)
If any of these resources ask you for a user name and password, get to them instead through our catalog http://pittcat.pitt.edu which will let you log into the source with your Pitt user name and password.