ftp.nice.ch/pub/next/developer/resources/libraries/threadkit

ThreadKit.0.91.NI.a.tar.gz
[Browse ThreadKit.0.91.NI.a.tar.gz] [README for ThreadKit.0.91.NI.a.tar.gz] 
ThreadKitDemo.NI.tar.gz
[Browse ThreadKitDemo.NI.tar.gz] [README for ThreadKitDemo.NI.tar.gz] 

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