Here is some labview code I have ported to run on the Mac OS X versions of Labview. These packages use the external C libraries that make them incompatible with other systems. If you experience any problems with or find any bugs please feel free to email me at ciancmr(at)auburn.edu.
This is the Mac OS X port of gfitsio. This version supports reading writing images, ASCII tables, and BINARY tables. Version 4.0.1 fixes a bug that prevented GFITSIO from writing to columns that already exist in a binary table.
This is the Mac OS X port of MDSplus for labview.
This is the port of NetCDF for labview. The Mac version requires the NetcdfStep.framework installed in /Library/Frameworks.