d2vwitch : Cross-platform D2V creator ( https://github.com/dubhater/D2VWitch )
getnative : Find the native resolution(s) of upscaled material (mostly anime) ( https://github.com/Infiziert90/getnative )
wobbly : IVTC assistant for VapourSynth, similar to Yatta ( https://github.com/dubhater/Wobbly )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a vapoursynth
For Paludis use this rsync : rsync://gentoo.zugaina.org/vapoursynth-portage
If you have a problem : ycarus(-at-)zugaina.org