ModPacker 1.10 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free program was originally developed by pspeed.
The most frequent installation filenames for the software are: ModPacker.exe and mpm.exe etc. The most popular versions of the software 1.1 and 1.0. We recommend checking the downloaded files with any free antivirus. The software is categorized as Development Tools.
From the developer:
A set of command line utilities for packing and unpacking module files into their constituent parts. Also included are utilities for converting the files to XML.
Java-based tools for Neverwinter Nights module developers. These utilities allow more typical development practices to be applied to module development.
You may want to check out more software, such as Circle of Eight Modpack, Aslains WoWs Modpack or AOK Mod Pack Studio, which might be related to ModPacker.