Some of the links got truncated by Quora, so here's the same list (modulo intervening wiki edits) with full URLs: http://usgovxml.com http://aws.amazon.com

Some of the links got truncated by Quora, so here's the same list (modulo intervening wiki edits) with full URLs: http://usgovxml.com http://aws.amazon.com/datasets http://databib.org http://datacite.org http://figshare.com http://linkeddata.org http://reddit.com/r/datasets http://thedatahub.org http://ckan.net http://quandl.com http://www.growmeme.com/overview http://www.kdnuggets.com/datasets/index.html http://enigma.io http://archive.ics.uci.edu/ml/ http://crawdad.org/ http://data.austintexas.gov http://data.cityofchicago.org http://data.govloop.com http://data.gov.uk/ http://data.medicare.gov http://data.seattle.gov http://data.sfgov.org http://data.sunlightlabs.com https://datamarket.azure.com/ http://developer.yahoo.com/geo/geoplanet/data/ http://econ.worldbank.org/datasets http://en.wikipedia.org/wiki/Wikipedia:Database_download http://factfinder.census.gov/servlet/DatasetMainPageServlet http://ftp.ncbi.nih.gov/ http://gettingpastgo.socrata.com http://googleresearch.blogspot.com/2006/08/all-our-n-gram-are-belong-to-you.html http://books.google.com/ngrams/ http://medihal.archives-ouvertes.fr http://public.resource.org/ http://rechercheisidore.fr http://snap.stanford.edu/data/index.html http://timetric.com/public-data/ https://wist.echo.nasa.gov/~wist/api/imswelcome/ http://www2.jpl.nasa.gov/srtm http://www.archives.gov/research/alic/tools/online-databases.html http://www.bls.gov/ http://www.crunchbase.com/ http://www.dartmouthatlas.org/ http://www.data.gov/ http://www.datakc.org http://dbpedia.org http://www.delicious.com/jbaldwinconnect/DataSets http://www.faa.gov/data_research/ http://www.factual.com/ http://research.stlouisfed.org/fred2/ http://www.freebase.com/ http://www.google.com/publicdata/directory http://www.guardian.co.uk/news/datablog http://www.infochimps.com http://www.kaggle.com/ http://build.kiva.org/ http://www.nationalarchives.gov.uk/doc/open-government-licence/open-government-licence.htm http://www.nyc.gov/html/datamine/html/home/home.shtml http://www.ordnancesurvey.co.uk/oswebsite/opendata/ http://www.philwhln.com/how-to-get-experience-working-with-large-datasets http://www.imdb.com/interfaces http://imat-relpred.yandex.ru/en/datasets http://www.dados.gov.pt/pt/catalogodados/catalogodados.aspx http://knoema.com http://daten.berlin.de/ http://www.qunb.com http://databib.org/ http://datacite.org/ http://data.reegle.info/ http://data.wien.gv.at/ http://data.gov.bc.ca https://pslcdatashop.web.cmu.edu/ http://www.icpsr.umich.edu/icpsrweb/CPES/