PypeIt
PypeIt is a full on data reduction package with the goal of producing
a high quality set of science ready reductions regardless of the
instrument.
Some quick look are available.
IFU Instruments
Some quick look are available.
This is an IDL based package for reducing and extracting KCWI data. This is also the official pipeline of the KCWI team, so it takes into account the knowledge of the instrument builders.
A long established but still actively developed pipeline for the OSIRIS instrument written by the instrument builders.
Maintaining the wavelength solutions is always being done, so make sure to get the latest version of the software.
Also comes with a quicklook option for use during observing.