kaggle.com
In short: Kaggle (kaggle.com) accepts public dataset or notebook. It is free to submit, takes a moderate amount of preparation, and scores 84/100 on our impact ranking (high impact).
Publish a useful, rights-cleared dataset or notebook demonstrating an your tool workflow and cite the site in its documentation.
Requires genuine data/code, a clear license and useful documentation; copied, private or promotional-only datasets may be removed.
Priority is high, which sets the band. It is free and moderate to complete, which adjusts it within that band. The score ranks your queue — it is not a measure of domain authority.