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

Author/Project          License                   File
----------------------------------------------------------------------------
Eclipse                 Eclipse Public License    image_LICENSE_Eclipse.txt
Enthought               BSD 3-Clause              LICENSE.txt
Peter Wang              Public domain             N/A
Oxygen                  CC-SA 3.0                 http://creativecommons.org/licenses/by-sa/3.0/

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

Files and original authors:
----------------------------------------------------------------------------
examples/basic:
                        capitol.jpg | Peter Wang
                            cat.jpg | Peter Wang

chaco/overlays/layers/data:
                   Dialog-error.svg | Tango, CC 2.5, modified to remove gradients
                 Dialog-warning.svg | Tango, CC 2.5, modified to remove gradients

chaco/tests/data/PngSuite:
                       basi6a08.png | PngSuite, free use, see image_LICENSE_PngSuite.txts
                       basi2c08.png | PngSuite, free use, see image_LICENSE_PngSuite.txt

chaco/tools/tests/images:
       application-vnd-ms-excel.png | Oxygen
                  document-save.png | Oxygen
                      edit-copy.png | Oxygen
                zoom-fit-height.png | Oxygen
                 zoom-fit-width.png | Oxygen
                  zoom-original.png | Oxygen
