These are among the packages listed at the FSF/UNESCO
Of particular interest to Power Users will also be the scientific applications.To quote the press release:
[T]here are now 11 subcategories under Science, including ArtificialIntelligence, Meteorology, and Genetics.
Most (though not all) of the packages are licensed either under the GPL orthe LGPL.
Speaking of software -- I'd meant to post yesterday about our new download:it's not under the GPL, but as far as I know, its license is indeedGPL-compatible. The