The question if a particular (closed-source) app is working on an /e/phone is key to many users.
The lists that we have jointly filled over several months ( Apps that work or do not work with microG) is a really helpful tool - although it is likely not complete at all.
There is another pretty similar project that I came across recently and I just wanted to share its existence:
Thanks @MaMaTT88 , I was not aware of Sapio. Gave it a quick test and seems to work. I guess the only difference is that Plexus has a web UI while Sapio doesn’t? I’m still new to both of them…