Where to find free public datasets besides Kaggle/BigQuery/HuggingFace?

Amazon Open Data Registry

https://registry.opendata.aws/

Some governments have an "open data" initiative like this: https://open.toronto.ca/catalogue/

Here is a good collection with ready-to-use instructions and downloads: https://clickhouse.com/docs/en/getting-started/example-datas...

https://archive.ics.uci.edu/

The one all the cool kids use: https://commoncrawl.org/