http://dados.gov.br/

Frontpage

http://open.canada.ca/en
https://data.gov.uk/
https://www.healthdata.gov/
http://www.nyc.gov/html/tlc/html/about/trip_record_data.shtml
http://snap.stanford.edu/data/sx-stackoverflow.html
https://archive.org/web/
https://index.okfn.org/dataset/
http://snap.stanford.edu/data/
https://github.com/caesar0301/awesome-public-datasets
https://www.kaggle.com/datasets
http://archive.ics.uci.edu/ml/index.php
http://www.gutenberg.org/
http://kevinchai.net/datasets