You don’t need an invite to get a copy of Rex Beta app; the URL to download the official .dmg has been leaked for several days in various Chinese forums. Search “blob.superlogical.com AND latest.dmg” online [1]. And for the people who like Go (golang) projects, someone already asked an LLM to replicate the app in Go [2].

[1] https://www.google.com/search?q=%22blob.superlogical.com%20A...

[2] https://github.com/egoist/gorex