Please see the SchemaCrawler website for more details.
SchemaCrawler is a free database schema discovery and comprehension tool. SchemaCrawler has a good mix of useful features for data governance. SchemaCrawler is also a Java API that makes working with database metadata as easy as working with plain old Java objects.
All SchemaCrawler jars are in the Central Repository. They can be used as dependencies in Gradle or Apache Maven projects, or with any other build system that supports the Central Repository.