all software offered by NAIF is described on and available from the
Toolkit and Utilities pages within
this web site. From those pages one can access the various Toolkit packages and also all SPICE utility programs, some of which are NOT included in Toolkit packages.
Some additional codes are occasionally available as alpha-test
items or specialty items that don't belong in the generic SPICE
Toolkit. These are announced using the "spice_announce" Mailman service, and also on the Announcements page of this website. Contact NAIF if you have