arduino-mk : Makefile for Arduino sketches. ( https://github.com/sudar/Arduino-Makefile )
espruino : A set of tools for the Espruino JavaScript interpreter, including command-line ( https://github.com/espruino/EspruinoTools )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a buzden
For Paludis use this rsync : rsync://gentoo.zugaina.org/buzden-portage
If you have a problem : ycarus(-at-)zugaina.org