LibreMediaServer uses free soft from: 

Open Lightin Arquitecture - Copyright © Simon Newton

ola2pd is a modification of ola_dmxmonitor.

GEM - Graphics Environment for Multimedia
Copyright © 1997-2000 Mark Danks
Copyright © Günter Geiger
Copyright © 2001-2011 IOhannes m zmölnig, 
Copyright © 2003-2007 James Tittle II, 
Copyright © 2003-2008 Chris Clepper

Pure Data 
cyclone/coll.pd_linux
cyclone/counter.pd_linux
cyclone/gate.pd_linux

Copyright © Miller Miller Puckette and others

hcs/folderlist Copyright © Hans-Christoph Steiner

expr.pd_linux Copyright © Shahrokh Yadegari



zexy/prepend.pd_linux
zexy/split.pd_linux
zexy/list2symbol.pd_linux

Copyright 1999-2011 IOhannes m zmoelnig 
contributions:
Copyright 1998-2004 matt wright
Copyright 1999-2000 winfried ritsch
Copyright 1999 guenter geiger
Copyright 1996-1999 miller s puckette
Copyright 2005-2006 tim blechmann
Copyright 2009-2010 franz zotter
Copyright 1999-2011 zexy-contributors

pdogg~/oggread~.pd_linux Copyright © 2002-2004 by Olaf Matthes

CITP Lib Copyright © 2009 John Warwick