Makehuman includes a number of third part software components, which have 
their own respective licenses.

Dependencies, included in packaged versions:

LIBRARY         LICENSE TYPE        FILE WITH LICENSE    HOMEPAGE
--------------  ---------------     -------------------  ------------------
pyQt            GPLv3               pyQt4-license.txt    http://www.riverbankcomputing.co.uk
Qt4             LGPLv2.1            qt4-license.txt      http://www.qt-project.org
numpy           BSD (3-clause)      numpy-license.txt    http://www.numpy.org
pyOpenGL        BSD (3-clause)      pyOpenGL-license.txt http://pyopengl.sourceforge.net
transformations BSD (3-clause)      transformations.txt  http://www.lfd.uci.edu/~gohlke/
pyFBX           GPLv2               pyFbx-license.txt    http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Import-Export/Autodesk_FBX

Optional:

hglib           MIT                 hglib-license.txt    http://mercurial.selenic.com/wiki/PythonHglib