cubicsdr : Cross-Platform Software-Defined Radio Application ( http://cubicsdr.com/ )
dump1090 : simple Mode S decoder for RTLSDR devices ( https://github.com/flightaware/dump1090 )
sdrpp : a cross-platform SDR software with the aim of being bloat free and simple to use ( https://github.com/AlexandreRouma/SDRPlusPlus )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a stefantalpalaru
For Paludis use this rsync : rsync://gentoo.zugaina.org/stefantalpalaru-portage
If you have a problem : ycarus(-at-)zugaina.org