These are two versions of a sphere drawing program. CL-Sphere contains the original command-line program, and IB-Sphere contains a NeXTStep version of the same program. CL-Sphere contains a README file with information on running the program. See the Info & Help panels in the NeXTStep version. Varun Mitroo
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.