Discussion:

https://www.nextcomputers.org/forums/index.php?topic=4690.0

NeXTDPS - NeXT display postscript server. NeXTDimension - next dimension rom/kernel code. NeXTMach - NeXT Mach kernel (not sure which version exactly) NeXTSrc - Various NeXT source pieces including Appkit, GNU sources, NetInfo libNeXT, and others. NeXTDSP - NeXT DSP code. Midi libraries, soundkit, and others. NeXTEmacs - NeXT version of GNU emacs. NeXTROM. - NeXT Firmware rom code.