Passport Index 2016 - View the world's passports and see how they rank
500 Makers - An updated list of the Top 500 Makers on Product Hunt
Two Centuries of U.S. Immigration - Visualizing who immigrated to the U.S. between 1820 and 2013
The Y Combinator Database - The definitive database of YC companies with all the metrics
EasyStats - Easily slice & dice U.S. Census data; Download into Excel.
Population Project - Your life in numbers and dates. How long will you live?