Sources for datasets

Awesome Public Datasets list on Github
https://github.com/awesomedata/awesome-public-datasets

COCO (Common Objects in Contect)
http://cocodataset.org/

fast.ai Datasets
https://course.fast.ai/datasets.html

Kaggle
https://www.kaggle.com/datasets

Microsoft Research Open Data
https://msropendata.com/

Open Images Dataset
https://storage.googleapis.com/openimages/web/download.html

Registry of Open Data on AWS
https://registry.opendata.aws/