Open Census Data - Visualize & download neighborhood demographic Insights
indeed - Find jobs using Indeed, the most comprehensive search engine for jobs.
500 Hunters - Forever changing list of the Top 500 Hunters on Product Hunt
LinkedIn - LinkedIn is a business-oriented social networking service, mainly used for professional networking.
The Y Combinator Database - The definitive database of YC companies with all the metrics
Monster.com - Monster.com is one of the largest employment websites and job search engine in the world.