* [squawk v2.56.0](https://github.com/sbdchd/squawk) – Linter for Postgres migrations that helps prevent unexpected downtime and encourages best practices.

* [plpgsql_check v2.9.1](https://github.com/okbob/plpgsql_check) – Full linter for PL/pgSQL that detects runtime errors and improves code quality.