Information for writing extensions and softwares
www.ekips.org/comp/inkscape/
www.colibre.com.br/bin/view/Aurium/InkscapeCalendarShellScript
wiki.inkscape.org/wiki/index.php/MakingAnExtension
blogmarks.net/marks/tag/python,svg

Some extensions...
math.univ-lille1.fr/~barraud/Inkscape/pathdeform/
julvitard.free.fr/eqtexsvg/
www.nabble.com/Color-fill-t302404.html

One discussion group about inkscape but seems no more activity ?
http://groups.google.com/group/inkscapewindows?lnk=gschg


These links are about barcode
wikipython.flibuste.net/moin.py/GenerateurCodeBarre
http://www.barcodeisland.com/ean8.phtml
http://www.isbn-international.org/
http://grandzebu.net/index.php?page=/informatique/codbar/code128.htm