mpq-tools is a set of utilities for manipulating
MPQ (MoPaQ) archives, which are used by Blizzard
in most of their games (e.g., Diablo, Diablo 2,
StarCraft, WarCraft 3, and World of Warcraft). It can extract, move, delete, and create archives.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.