Probably https://free.law/

ETA: which is of course mentioned on the thread root. But RECAP users would be paying, in that case.

All court records are not copyrightable so once one person gets a document from PACER they are free to upload it to things like RECAP. Allegedly PACER is only allowed to charge enough to cover the infra costs of operating it, and has a pretty generous free tier nowadays so it’s mostly law firms that end up having to pay.