Greenfoot: Released under the GNU GPL v2 with Classpath Exception license.

Please see the file LICENSE.txt in the for the full
license text.

Greenfoot makes use of the following 3rd party libraries:
 BlueJ: Released under the GNU GPL v2 with Classpath Exception license.
 Apache Jakarta HttpClient, Logging and Codec: Released under the Apache License.
 GraphicsUtilities by Romain Guy: Released under a BSD style license.
 JLayer: Released under the GNU LGPL v2

Please see the file THIRDPARTYLICENSE.txt for the full
license texts.