bd : Quickly go back to a specific parent directory in linux instead of typing cd ../../.. redundantly. ( https://github.com/vigneshwaranr/bd )
ranwhen : Python script that graphically shows in your terminal when your system was running in the past. ( https://github.com/p-e-w/ranwhen )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a vaca
For Paludis use this rsync : rsync://gentoo.zugaina.org/vaca-portage
If you have a problem : ycarus(-at-)zugaina.org