Earlier quoted context omitted.
There is, but even the control click will only allow you to open signed software. Unless you build the software yourself (I'm not sure how homebrew still works) you cannot run it if it's not been notarized by Apple. Firefox was broken on Catalina for a while, even though the main app was notarized. Some internal binary wasn't notarized, and no amount of control clicking would get Firefox to work until Mozilla notariz…
For users who know what they are doing: https://forums.macrumors.com/threads/unsigned-apps-catalyst-... sudo spctl --master-disable
I have a Raspberry Pi for hacking, I'm happy to root the hobby computers, not the work ones.