DepSVG is a dependency tree and predicate-argument structure visualizer which is implemented in Perl and saves into Scalable Vector Graphics (SVG).
Read more at http://kaljurand.github.io/DepSVG/
DepSVG is a library. demo/conll_to_svg.perl is its example front-end that
enables the visualization of CoNLL-formatted treebanks, e.g.
perl -I src demo/conll_to_svg.perl --dir img < demo/treebank.tsv
visualizes each tree in demo/treebank.tsv and saves it as
an SVG file into the directory img.
DepSVG is free software licensed under the GNU Lesser General Public Licence (see http://www.gnu.org/licenses/lgpl.html).