nvidia-cuda-toolkit : NVIDIA CUDA Toolkit (compiler and friends) ( http://developer.nvidia.com/cuda )
zimwriterfs : console tool to create ZIM files from a localy stored directory containing HTML content ( https://sourceforge.net/p/kiwix/other/ci/master/tree/zimwriterfs/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a maksbotan
For Paludis use this rsync : rsync://gentoo.zugaina.org/maksbotan-portage
If you have a problem : ycarus(-at-)zugaina.org