noao: The NOAO optical astronomy packages
- artdata: Artificial data generation package
- astcat: Astronomical catalog and surveys access package
- astutil: Astronomical utilities package
- digiphot: Digital stellar photometry package
- imred: Image reductions package
- mtlocal: Magtape i/o for special NOAO format tapes
- nobsolete: Obsolete tasks to be phased out in a future release
- nproto: Prototype (temporary, contributed) tasks
- observatory: Examine and define observatory parameters
- obsutil: Observing utilities (planning or evaluation)
- onedspec: One dimensional spectral red & analysis package
- rv: Radial velocity analysis package
- twodspec: Two dimensional spectral red & analysis package