-dirac (Dirac video codec)
- http://www.bbc.co.uk/rd/projects/dirac/index.shtml
-libaudiofile (for afsrc/afsink
- http://oss.sgi.com/projects/audiofile/
-libmad (for the mad mp3 decoder plugin)
- http://www.mars.org/home/rob/proj/mpeg/
-libjpeg (for jpegenc/jpegdec)
- http://www.ijg.org/
-libopenquicktime (for the QT plugin)
- http://sourceforge.net/projects/openquicktime/
-libXv (for videosink)
-libxaudio (for xa mp3 decoder)
- http://www.xaudio.com/
-libvorbis (for vorbisenc, vorbisdec)
- http://www.xiph.org/ogg/vorbis/index.html
-libcdparanoia (for cdparanoia ripper)
- http://www.xiph.org/paranoia/index.html
-liblame (for lame mp3 encoder)
- http://www.mp3dev.org/mp3/
-libshout (for the shoutcast plugin)
- http://www.icecast.org
-libasound (for the alsa src/sink plugin)
- http://alsa-project.org/
-librtp (for the rtp sink plugin)
- http://www.linphone.org/ortp/
-aalib (for the aa sink plugin)
- http://aa-project.sourceforge.net/aalib/
-libcaca (for the color aa sink plugin)
- http://sam.zoy.org/projects/libcaca/
-aRts (for the arts plugin wrapper, and the artsd sink)
- http://www.arts-project.org
-raw1394/linux1394 (for the dv plugin)
- http://linux1394.sourceforge.net