mod_rpaf : Reverse proxy add forward module ( https://github.com/gnif/mod_rpaf )
mod_tile : Apache module to efficiently render and serve tiles for openstreetmap using mapnik ( http://wiki.openstreetmap.org/wiki/Mod_tile )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a barzog-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/barzog-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org