fldigi is a new sound card based multimode software modem for Amateur Radio use. Other than gmfsk it is in active development and support a lot of modern communication modes.
This is now in sunrise overlay. You can find it at: http://overlays.gentoo.org/svn/proj/sunrise/reviewed/media-radio/fldigi
Updated sunrise version to fldigi-3.0 at above location
fldigi-3.12.5 is in portage tree now, closing. >*fldigi-3.12.5 (04 May 2010) > > 04 May 2010; Thomas Beierlein <tomjbe@gentoo.org> +fldigi-3.12.5.ebuild, > +metadata.xml: > Initial portage version, moved from sunrise. Bug #230197