* [Babelfish for PostgreSQL BABEL_5_4_0](https://github.com/babelfish-for-postgresql/babelfish_extensions) – Extensions that add syntax, functions, and data types to PostgreSQL for easier migration from SQL Server.

* [Persism V2.3](https://github.com/sproket/Persism) – Lightweight convention-over-configuration ORM for Java 17+ with auto-discovery, simple API, and transaction support.