Part of lp.buildmaster
| Module | builder | Builder interfaces. |
| Module | buildfarmjob | Interface for Soyuz build farm jobs. |
| Module | buildfarmjobbehaviour | Interface for build farm job behaviours. |
| Module | buildqueue | Build interfaces. |
| Module | packagebuild | Interface for package-specific builds. |
| Module | processor | Processor interfaces. |
| Module | webservice | All the interfaces that are exposed through the webservice. |