Licensing for portions of OpenDroneMap are as follows:

ImageMagick - Apache 2.0 - http://www.imagemagick.org/script/license.php
Jhead - None - http://www.sentex.net/~mwandel/jhead/
libjpeg - GPLv2 - http://sourceforge.net/projects/libjpeg/
Boost - Boost Software License, Version 1.0 - http://www.boost.org/LICENSE_1_0.txt
libgsl0 - GPL - http://www.gnu.org/software/gsl/
liblapack - Modified BSD - http://www.netlib.org/lapack/LICENSE.txt
Flann - BSD2 - http://opensource.org/licenses/bsd-license.php
libzip - BSD - http://www.nih.at/libzip/LICENSE.html
libcv - BSD - http://opencv.org/license.html
libcvaux - BSD - http://opencv.org/license.html
bundler - GPLv3 - http://www.gnu.org/copyleft/gpl.html
cmvs  - GPLv3 - http://www.gnu.org/copyleft/gpl.html
pmvs2  - GPLv3 - http://www.gnu.org/copyleft/gpl.html
parallel  - GPLv3 - http://www.gnu.org/copyleft/gpl.html
PoissonRecon - BSD - http://www.cs.jhu.edu/~misha/Code/PoissonRecon/license.txt
vlfeat - BSD - http://www.vlfeat.org/license.html
graclus - GPLv3 - http://www.gnu.org/copyleft/gpl.html
PROJ.4 - MIT - http://trac.osgeo.org/proj/wiki/WikiStart#License
PCL - BSD - http://pointclouds.org
Flann - BSD2 - http://opensource.org/licenses/bsd-license.php
Eigen - MPL2 - http://www.mozilla.org/MPL/2.0
Qhull - http://www.qhull.org/COPYING.txt
vtk5 - BSD - http://www.vtk.org/VTK/project/license.html