LIBOPT is distributed under a proprietary license, which is directly adapted from the one of CUTEr. You are supposed to have agreed with the terms of that license before downloading the software.

Libopt has been registered at APP under the number ...

The current version of the package is version 2.1 (January, 2009).

Libopt can actually be retrieved by one of the following two manners.

Once the software has been retrieved by one of these two methods, read the README file in the head directory of the Libopt hierarchy to have more information on the software, in particular on the installation procedure.