Laboratory of Neuro Imaging GNU General Public License (GPL) Yes University of California, Los Angeles NITRC MultiTracer MultiTracer (http://www.loni.ucla.edu/Software/MultiTracer) is a Java application that allows images to be displayed in three dimensions. The tool allows anatomic structures to be traced and the tracings to be saved in a format that facilitates review and revision. MultiTracer is distributed by the Laboratory of Neuro Imaging (http://www.LONI.ucla.edu/Software/MultiTracer) at UCLA. MultiTracer GNU General Public License (GPL) http://www.nitrc.org/projects/multitracer/, http://www.nitrc.org/projects/multitracer/