1 .Kaggle: https://www.kaggle.com
2. Hugging Face: https://huggingface.co
3. Papers With Code: https://paperswithcode.com
4. OpenML: https://www.openml.org
5. UCI Machine Learning Repository: https://archive.ics.uci.edu
6. Awesome Public Datasets: https://github.com/awesomedata/awesome-public-datasets
7. Government Websites: data.gov.ro
8. Google Dataset Search: https://datasetsearch.research.google.com
9. DataHub: https://datahub.io