There are instructions on how to run the GUI from localhost, and the title and even the phrase that has the link to their own hosting tell you you can run it lo

There are instructions on how to run the GUI from localhost, and the title and even the phrase that has the link to their own hosting tell you you can run it locally first. It seems they are genuine, and they phrase it exactly as it is. The only thing I would have maybe wanted to see in the title is "open-source" or free software.