ftp.nice.ch/pub/next/unix/science/lp_solve-2.0.NIHS.bs.tar.gz#/lp_solve-2.0/pkg/bin

lp2mps
 

lp_solve
 

lp_solve_demo
 

mps2lp
 

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