Info:
his pack includes:

Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.607.WIN
Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.607.LINUX
Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.607.MACOSX
Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.632.WIN
Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.632.LINUX
Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.632.MACOSX
Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.673.WIN
Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.673.LINUX
Solid.Angle.Houdini.To.Arnold.v1.14.0.for.Houdini.15.5.673.MACOSX

Arnold is an advanced Monte Carlo ray tracing renderer built for the
demands of feature-length animation and visual effects. Originally
co-developed with Sony Pictures Imageworks and now their main renderer
Arnold is used at over 300 studios worldwide including ILM, Framestore
MPC, The Mill and Digic Pictures. Arnold was the primary renderer on
dozens of films from Monster House and Cloudy with a Chance of Meatballs
to Pacific Rim and Gravity. It is available as a standalone renderer on
Linux, Windows and Mac OS X, with plug-ins for Maya, Softimage, Houdini
Cinema 4D and Katana.