UCI Machine Learning Repository(https://archive.ics.uci.edu/ml/datasets.html)
Kaggle Datasets(https://www.kaggle.com/datasets)
Awesome Public Datasets(https://github.com/caesar0301/awesome-public-datasets#time-series)
DataMarket(https://datamarket.com/data/)
Social Computing Datasets(http://socialcomputing.asu.edu/pages/datasets)
Time Series Data Library(https://datamarket.com/data/list/?q=provider:tsdl)
UCR Time Series Classification Archive(http://www.cs.ucr.edu/~eamonn/time_series_data/)