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
	   vtel - NSO Solar vacuum telescope image reductions