* [http://commons.apache.org/proper/commons-lang/ Apache Commons Lang v3] (Apache v2.0 License)
* [https://mvnrepository.com/artifact/org.jetbrains/annotations/15.0 Jetbrains Annotations] for enhanced null checks (Apache v2.0 License)
* [http://search.maven.org/#artifactdetails%7Corg.postgresql%7Cpostgresql%7C42.1.1.jre7%7Cbundle PostgreSQL JDBC] (BSD 3-clause per https://github.com/pgjdbc/pgjdbc-jre7/blob/master/LICENSE)
If using maven, these dependencies are listed and should automatically be setup.