Where to get data from?

Looking for interesting data sets to train your models on or create hypothesis?

Here some well organized lists of free (most of them) and public datasets in good quality:

• http://rs.io/100-interesting-data-sets-for-statistics/ 
• https://github.com/caesar0301/awesome-public-datasets (mainly data from America)
• https://github.com/bayandin/awesome-awesomeness

This list will be updated. Enjoy!