Download the binaries of Cloud42, the management framework for Cloud Computing with Amazon EC2 or Eucalyptus.
Cloud42 is Open Source. The project is licensed under the GNU Lesser General Public License (LGPL v3).
The source code of Cloud42 is hosted and maintained at Github.
You will find an issue tracking system there, too.
If you need a less restrictive license than the LGPL, there are commercial licenses available, too, including support and preconfigured AMIs. Feel free to contact us.
If you need an older version of Cloud42 for compatibility reasons, you can download the Cloud42 v1.2.0 Binaries.