asciidoc-diag-filter : Embed blockdiag diagrams in asciidoc with a filter ( https://code.google.com/p/asciidoc-diag-filter/ )
dblatex : Transform DocBook using TeX macros ( http://dblatex.sourceforge.net/ )
ocropus : OCRopus is a state-of-the-art document analysis and OCR system. ( http://code.google.com/p/ocropus/ )
qpdf : QPDF is a C++ library and set of programs that inspect and manipulate the structure of PDF files. ( http://qpdf.sourceforge.net/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a benf
For Paludis use this rsync : rsync://gentoo.zugaina.org/benf-portage
If you have a problem : ycarus(-at-)zugaina.org