imred: Image reductions package
- argus: CTIO ARGUS reduction package
- bias: General bias subtraction tools
- crutil: Tasks for detecting and removing cosmic rays
- ccdred: Generic CCD reductions
- ctioslit: CTIO spectrophotometric reduction package
- dtoi: Density to Intensity reductions for photographic plates
- echelle: Echelle spectral reductions (slit and FOE)
- generic: Generic image reductions tools
- hydra: KPNO HYDRA (and NESSIE) reduction package
- iids: KPNO IIDS spectral reductions
- irred: KPNO IR camera reductions
- irs: KPNO IRS spectral reductions
- kpnocoude: KPNO coude reduction package (slit and 3 fiber)
- kpnoslit: KPNO low/moderate dispersion slits (Goldcam, RCspec, Whitecam)
- quadred: CCD reductions for QUAD amplifier data
- specred: Generic slit and fiber spectral reduction package