ftp.nice.ch/Attic/openStep/X11/X11R6.3-basic.m.NIS.b.tgz

X11R6 → X11R6.3/
 
X11R6.3/
 

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Marcel Waldvogel and Netfuture.ch.