Legally, there is no entity behind that responsible for privacy (1), and honestly, I don't see even minimal reason to trust this software from a legal perspective.
codesign --display --verbose=4 Refine.app 2>&1 | grep sandbox
Personally, I only use software that was either built on my machine or downloaded off of the Mac App Store (MAS apps have the be mandatory sandboxed).
[1]: https://developer.apple.com/documentation/bundleresources/en...
Many popular apps, like Grammarly and Raycast, are also not sandboxed for the same reason. Without these APIs, Refine wouldn’t be able to provide a seamless text refinement experience. Otherwise, why wouldn’t we just use ChatGPT to correct the grammar?
Is your objection that he is distributing this by himself, instead of through the app store? Or that it appears that he is doing it as an individual instead of a company?
Sure, it's a little sketchy, it's a guy with a website and a privacy protected domain and that's about it. But if anything were to happen you would be suing the developers of refine.sh.
I guess I do see your point though. For my software I have indeed created a legal entity and can be easily looked up.