DBE Sovix Diet - Potential legal issues

I want us to go through some possible legal issues before I upload the first version of DBE Sovix Diet. It make no sense to even look at the software code before this has been done.
There is currently 6 possible potential legacy problems. It has to do with the data and databases DBE Sovix Diet is dependent of to work properly.

Please let me know how I can make dependent data as free as possible, it is important for this project. I want to distribute it a free software package in gNewSense so I will remove any depenent data if I cant distribute it as free software.
I would be glad if it is possible to redistribute data that is in the public domain under GNU GFDL or GNU GPL (I will state that they are the copyright holder if this is possible).

Here is the complete list over dependent data:
Last modified: Fri Oct 5 11:33:13 CEST 2007