- Blueprints Core which is the API implemented by the database. Version 2.3.0
- Jackson JSON processor for serialization and deserialization. Version 2.1.2 -- this is also a Blueprints core dependency
- Ness Computing Core Component for fast UUID serialization and deserialization. Version 1.5.0.
- SLF4J API for logging. The SLF4J implementation/binding depends on the library selected by the application integrating with Bitsy. If no binding is included in the classpath, the logging statements will be ignored. Version 1.7.3.