https://streamlit.io/
https://saymineapp.com/login
https://datagifmaker.withgoogle.com/
https://mockaroo.com/
https://medium.com/@rtheunissen/efficient-data-structures-for-php-7-9dda7af674cd#.l3v3q82ya
https://gyrosco.pe/
https://github.com/harelba/q
http://openweathermap.org/
https://github.com/mledoze/countries
http://techeffigy.wordpress.com/2014/06/05/bloom-filter-tutorial/
http://pygal.org/
http://highlyscalable.wordpress.com/2012/03/01/nosql-data-modeling-techniques/
http://www.data.gouv.fr/fr
http://www.pentaho.com/product/data-integration
http://ideasource.blankdots.com/2012/08/open-data-sources/
https://explore.data.gov/
http://d3js.org/
http://open.dapper.net/
http://www.dbis.informatik.uni-goettingen.de/Mondial/