Also: acrotex: http://tug.ctan.org/tex-archive/macros/latex/contrib/acrotex/ LPPL acroweb; http://tug.ctan.org/tex-archive/support/acroweb/ LPPL are not in TL but seem to meet the five conditions... I noticed that a zipped version of acrotex was in TL 2007, though, so maybe there's a less obvious problem. - cfr