If not specified otherwise, the software apps and resources hosted in Food4Rhino enjoys copyright protection as any creative work:
Food4Rhino is based in the Europe Union, so the EU directive 2009/24/EC applies:
The author of each app may choose a different and maybe less restrictive software license scheme, that you can view by clicking the “License” link in the app page. Some of these license types are:
Even if the source code is given with the app, the code is copyrighted by default. People can read the code, but they have no legal right to use it. To use the code, you must contact the author directly and ask permission.