clutter : Clutter is a library for creating graphical user interfaces ( )
clutter-gst : GStreamer integration library for Clutter ( )
cogl : A library for using 3D graphics hardware to draw pretty pictures ( http://www.clutter-project.org/ )
ftgl : library to use arbitrary fonts in OpenGL applications ( http://ftgl.wiki.sourceforge.net/ )
imlib : Image loading and rendering library ( http://ftp.acc.umu.se/pub/GNOME/sources/imlib/1.9/ )
lcms : A lightweight, speed optimized color management engine ( http://www.littlecms.com/ )
libcanberra : Portable sound event library ( http://0pointer.de/lennart/projects/libcanberra/ )
libdvbpsi : library for MPEG TS/DVB PSI tables decoding and generation ( http://www.videolan.org/libdvbpsi )
libggi : Fast and safe graphics and drivers for about any graphics card to the Linux kernel (sometimes) ( http://www.ggi-project.org )
libkate : Codec for karaoke and text encapsulation for Ogg ( http://code.google.com/p/libkate/ )
libmatroska : Extensible multimedia container format based on EBML ( http://www.matroska.org/ https://github.com/Matroska-Org/libmatroska/ )
libmtp : An implementation of Microsoft's Media Transfer Protocol (MTP). ( http://libmtp.sourceforge.net/ )
libprojectm : A graphical music visualization plugin similar to milkdrop ( http://projectm.sourceforge.net )
libsdl : Simple Direct Media Layer ( http://www.libsdl.org/ )
libtiger : A rendering library for Kate streams using Pango and Cairo ( http://code.google.com/p/libtiger/ )
phonon : KDE multimedia API ( https://projects.kde.org/projects/kdesupport/phonon )
phonon-gstreamer : Phonon GStreamer backend ( https://projects.kde.org/projects/kdesupport/phonon/phonon-gstreamer )
phonon-vlc : Phonon VLC backend ( https://projects.kde.org/projects/kdesupport/phonon/phonon-vlc )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gmt
For Paludis use this rsync : rsync://gentoo.zugaina.org/gmt-portage
If you have a problem : ycarus(-at-)zugaina.org