Check out this SO question, http://opendata.stackexchange.com/questions/748/is-there-a-git-for-data http://opendata.stackexchange.com/questions/748/is-there-a-g

Check out this SO question, http://opendata.stackexchange.com/questions/748/is-there-a-git-for-data http://opendata.stackexchange.com/questions/748/is-there-a-g..., which has many answers including http://dat-data.com/ http://dat-data.com/