mathesar

An intuitive spreadsheet-like interface that lets users of all technical skill levels view, edit, query, and collaborate on Postgres data directly. 100% open source and self hosted, with native Postgres access control. Maintained by mathesar-foundation on GitHub, where it has earned 5,040 stars from the community.

It's actively developed around airtable-alternative, automatic-api, database-access, and is a solid reference for anyone building with these tools.