Trademark Policy

Independence Statement

mooncake.pgsty.com and the repositories under github.com/pgsty (pgsty/pg_mooncake, pgsty/duckdb_mooncake, pgsty/moonlink) are maintained independently by PGSTY (Pigsty) for the PostgreSQL open-source community.

This site and the packages distributed by Pigsty / PGEXT are not affiliated with, endorsed by, or sponsored by Mooncake Labs, Inc.

Third-Party Trademarks

• Mooncake, pg_mooncake, duckdb_mooncake, and Moonlink are names originated by Mooncake Labs, Inc. They are used on this website solely for nominative, descriptive identification of the open-source PostgreSQL and DuckDB extensions and their compatibility lineage.
• PostgreSQL and Postgres are registered trademarks of the PostgreSQL Community Association of Canada.
• DuckDB is a trademark of the DuckDB Foundation / DuckDB Labs.
• Apache Iceberg, Apache Parquet, Apache Arrow, and Apache are trademarks of the Apache Software Foundation.
• Delta Lake is a trademark of LF Projects, LLC.
• Pigsty and PGSTY are trademarks of Ruohang Feng (@Vonng).