ftp.nice.ch/pub/next/developer/objc/services

Piper.1.2.N.bs.tar.gz
[Browse Piper.1.2.N.bs.tar.gz] [README for Piper.1.2.N.bs.tar.gz] 

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