These are not "open" in the sense of being free/libre to use. Many of these data sets have Non-Commercial licenses attached to them. At least some of the data

These are not "open" in the sense of being free/libre to use. Many of these data sets have Non-Commercial licenses attached to them. At least some of the datasets look to be open in the sense of free/libre to use (e.g. [1], [2]) while others are not (e.g. [3]). As with many of these resources, there is no option to filter on license. [1] https://github.com/googlecreativelab/quickdraw-dataset/blob/master/LICENSE https://github.com/googlecreativelab/quickdraw-dataset/blob/... [2] https://github.com/nightrome/cocostuff https://github.com/nightrome/cocostuff [3] http://robotcar-dataset.robots.ox.ac.uk/ http://robotcar-dataset.robots.ox.ac.uk/