-- A Management Plan for Home Food Storage - from Utah State University Extension
Several different Food Storage Inventory sheets from Simply Living Smart - Requires registration which is free (with a lot more resources available!)
-- A Pocket & Card system - found in an article from the February 1996, Ensign
-- LDS Home Information 8.2 - The website says "LDS Home Information is a multi-module household database program with over 45 different functions." which includes home storage. This program has a free trial period, then a cost to register the software.