Datasets for machine learning

Update (2017-05-08)

Still looking and found there is quite an abundance:

https://www.quora.com/Where-can-I-find-large-datasets-open-to-the-public

https://blog.bigml.com/list-of-public-data-sources-fit-for-machine-learning/

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Here are list of datasets I have been accessing for training and testing my machine learning algorithms.

• UCI Machine Learning Repository
• Enron email corpus
• Weka ARFF datasets, or Waikato
• KD Nuggets dataset list
• python sklearn datasets accessed programmatically