Some of the publicly available datasets are listed here. This is a continuously evolving page, and therefore might not always be 100% up-to-date. For licensing information, please refer to each datasets’ own licensing page. I take no responsibility for the licensing/distribution of the datasets.
1. Amazon’s Ratings dataset
2. imdb movies dataset
http://www.imdb.com/interfaces
3. London Transport Data - tfl
http://www.tfl.gov.uk/info-for/open-data-users/our-feeds?intcmp=3671#on-this-page-0
3. London Transport Data - tfl
http://www.tfl.gov.uk/info-for/open-data-users/our-feeds?intcmp=3671#on-this-page-0
