Clack is built on top of the JGraph Java library and is available under the
GNU Public License.
Note: No download is needed to run Clack unmodified. You can simply try the demo now. Downloading the binary file is only needed if you plan on
adding functionality to Clack as described in the developer documentation. The source code is provided for those interested in learning the API or making
significant modifications, as well as to comply with the GPL.
Clack Development Branch
The latest (possibly unstable) Clack code can be accessed via git using the
Clack page on gitorious.org
Current release is version 1.7.2 (June 2010)