videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Liquid Cubed -- 1.0.0 Block Engine Liquid Simulator (Older version), Liquid Cubed -- (Out of Date) Block Engine Liquid Simulator, Liquid Cubed -- 1.0.4 -- Vertical pumps and fog