ftp.nice.ch/pub/next/developer/nextsources/Pre3.X

Chess-9.s.tar.gz
[Browse Chess-9.s.tar.gz] 
emacs-15.0.3.s.tar.gz
[Browse emacs-15.0.3.s.tar.gz] 
usrbin-51.3.s.tar.gz
[Browse usrbin-51.3.s.tar.gz] 

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