The products are installed with the Update Manager. Select Help > Install New Software and then push Add. Enter the following Location: http://objectgeneration.com/update
Then select that update site and select HiberObjects or DB Importer:
DB Importer and HiberObjects generates code that needs a JPA implementation such as Hibernate. These libraries can be found in the hibernate plugins in the distribution. They are also available from Hibernate.org.
hashCode methods that use
If you generate GWT DTO's with HiberObjects, you need the following libraries: Dozer, Apache commons-logging, commons-beanutils, commons-collections and commons-lang. These libraries can also be downloaded as one bundle: runtime-libs.zip (8 MB)
Some examples for DB Importer are available here. This includes JPA code for FireFox bookmarks and PHPBB3.