Intellectual Property Rights:
The tool is published under a Creative Commons License.
In short, this means that
a) The tool can be downloaded by anyone for free and installed on a local server.
b) Changes can be made on the tool on the local server, but they may not be published.
c) Changes can be suggested or offered to the owner of rights, who can include them in the program at his will.
d) It is not allowed to use the tool for commercial purposes (sell the tool as a service) without prior accept from the owner of rights.