pdfedit : Editor for manipulating PDF documents. GUI and commandline interface. ( http://pdfedit.petricek.net/ )
pdfeditor : Create, convert and edit PDF and XPS files ( http://code-industry.net/pdfeditor.php )
xpdf : An X Viewer for PDF Files ( http://www.foolabs.com/xpdf/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a rebutia
For Paludis use this rsync : rsync://gentoo.zugaina.org/rebutia-portage
If you have a problem : ycarus(-at-)zugaina.org