Where can I find lists of data in useful computer formats?

ask prog: Where can I find lists of data in useful computer formats? ie. wordlist, world cities, populations, etc. : programming

All the data in Freebase is CC-attribution licensed as well, so you can do anything that you want with it.

http://research.freebase.com/
- lots of different ways of getting at the data, including full dumps
of the database, and an XMLized version of wikipedia (trust me, you do
not want to parse wikimarkup)

More Sites if you follow the article...