That's fair, but I think it is nice to have some alternatives that are free and open. Furthermore, some people might have sensitive data which they wouldn't fee

That's fair, but I think it is nice to have some alternatives that are free and open. Furthermore, some people might have sensitive data which they wouldn't feel comfortable uploading to the cloud. Also, I wanted to ask: were you using Gooogle Vision, as when I was doing the research it seemed that they do not allow you to export the model.