We have open-sourced SceneManager and Schematic Material Editor plugins, they are available at:
I hope this will benefit the code. If you are a developer and would like to contribute please let me know. Also, SM has been compiled for 3dsmax9 both 34 and 64-bit versions. The binaries can be downloaded from SF. SME has binaries as well, but they won't work (unless you recompile the sources with 3dsmax9 SDK which should be relatively easy).