The icons are mostly derived work from other icons. As such they are
licensed accordingly to the original license:

Project                 License                   File
----------------------------------------------------------------------------
CP (Crystal Project)    LGPL                      image_LICENSE_CP.txt
Eclipse                 Eclipse Public License    image_LICENSE_Eclipse.txt
Enthought               BSD 3-Clause              LICENSE.txt
GV (Gael Varoquaux)     Public Domain             N/A
Nuvola                  LGPL                      image_LICENSE_Nuvola.txt
OOo                     LGPL                      image_LICENSE_OOo.txt

Unless stated in this file, icons are the work of Enthought, and are
released under a 3 clause BSD license.

Files and orginal authors:
----------------------------------------------------------------------------
enthought/developer/images:
                    disabled_ui.png | Nuvola
                         object.png | GV
                             ui.png | Nuvola
enthought/developer/editors/images:
                            add.png | CP
                          clear.png | CP
                          clone.png | GV
                          close.png | CP
                 default_active.png | Enthought
                 default_canvas.png | Enthought
                  default_hover.png | Enthought
               default_inactive.png | Enthought
                           drag.png | GV
                        feature.png | OOo
                           load.png | Eclipse
                       maximize.png | CP
                       minimize.png | CP
                           save.png | Eclipse
enthought/developer/features/images:
           connect_drag_feature.png | GV
           connect_file_feature.png | GV
           connect_from_feature.png | Enthought
         connect_linked_feature.png | Eclipse
         connect_object_feature.png | Nuvola
             connect_to_feature.png | Enthought
       connect_unlinked_feature.png | Eclipse
            connections_feature.png | Eclipse
             debug_dock_feature.png | GV
           debug_object_feature.png | GV
               debug_ui_feature.png | GV
           debug_window_feature.png | GV
                   drag_feature.png | Nuvola
              drag_file_feature.png | Nuvola
               dragdrop_feature.png | Nuvola
                   drop_feature.png | Nuvola
              drop_file_feature.png | Nuvola
         no_connections_feature.png | Eclipse
                options_feature.png | CP
             popup_menu_feature.png | GV
                   save_feature.png | GV
                   tool_feature.png | Nuvola
enthought/developer/helper/images:
                   fbi_clear_bp.png | Nuvola
                         fbi_go.png | GV
                       fbi_next.png | GV
                       fbi_quit.png | GV
                 fbi_restore_bp.png | GV
                     fbi_return.png | GV
                       fbi_step.png | GV
                           gbox.png | Enthought
enthought/developer/tools/images:
                          class.png | Eclipse
                      clipboard.png | GV
                           drop.png | GV
                         method.png | Nuvola
                         module.png | Eclipse
                        package.png | GV
             photo_frame_active.png | Enthought
              photo_frame_hover.png | Enthought
           photo_frame_inactive.png | Enthought
                        refresh.png | GV
                            run.png | Nuvola
                 start_profiler.png | GV
                  stop_profiler.png | GV
enthought/developer/tools/vet/images:
                         action.png | Nuvola
                          class.png | Eclipse
                           code.png | GV
                         editor.png | GV
                        editors.png | GV
                       function.png | GV
                          group.png | Eclipse
                        handler.png | Eclipse
                           item.png | Eclipse
                          label.png | Eclipse
                           menu.png | Eclipse
                 menu_separator.png | GV
                         method.png | Nuvola
                        methods.png | Eclipse
                         module.png | Eclipse
             object_with_traits.png | GV
                        objects.png | CP
                        package.png | GV
                      separator.png | Eclipse
                      templates.png | Eclipse
                          trait.png | GV
                           view.png | Eclipse
examples/demo/tools:
                 traits_ui_demo.jpg | Enthought