Ptolemy is available for free for evaluation and usage subject to the following licensing agreement.
Ptolemy compiler, tools, libraries and sources are subject to the Mozilla Public License Version 1.1 (the "License"); you may not use them except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License.
The Initial Developer of the Original Code is Iowa State University. Portions created by Iowa State University are
Last modified on 2011/03/24
Ptolemy can also be downloaded from the project's SourceForge page: http://sourceforge.net/projects/ptolemyj/