wpkg
Created by Made to Order Software Corporation
wpkg lets you create advanced packages with complex interdependencies that are automatically taken in account when managing a target system. wpkg knows to install dependencies automatically and knows to not remove packages that are required by others that you do not want to remove.
This software is open source. It is possible to purchase a license for specific commercial or governmental uses. The wpkg library and tools are covered by the GPL 2 or better. Some third party libraries are covered by their own licenses (i.e. zlib, bzip2, etc.)
