Description: Quandl is a repository of time-series data on the internet, tailored for academics, researchers, students and other data professionals. Quandl currently has over 7 million time-series datasets. Most of the data is in the domains of economics, finance, demography, society, markets, energy, health and education. 1000s of new datasets are added to Quandl daily. All data on Quandl is available through a single uniform interface, and is downloadable in the format of the user's choice.
Here are some of the datasets available on Quandl: