I’m legitimately asking because I’m curious, not trying to start a flame war here…

What features are you missing in LibreOffice Calc that you use in Excel? I personally use Calc at home, but can’t get away with it a work because of imaginary numbers. (Although most things I’ve just moved to using Python + Pandas because both programs can’t handle large datasets very well)

For my own morbid curiosity, why Zigbee?

If you don’t want to learn ESP Home yet, but you’re ok with Wifi, here’s a sensor that uses ESPHome, but is all pre-programmed and ready to go with Home Assistant. I haven’t used this produce yet, but the other products from Apollo are pretty awesome.

https://apolloautomation.com/products/temp-1-temperature-probe-for-home-assistant

What I wish existed was a self-hosted version of OurGroceries.

If you want self hosted, I’d second all the Grocy comments. I don’t use it because it isn’t simple enough for my family, but I did like it.

It’s a year old video, but it still is pretty relevant I think.

Local Control Video Doorbells - Reolink, UniFi, Amcrest, Hikvision, Dahua. https://www.youtube.com/watch?v=6XCu6L0xn4Y&t=904s

If you’d rather read than watch the video, he has a nice companion blog. https://www.thesmarthomehookup.com/local-control-video-doorbells-reolink-unifi-amcrest-hikvision-dahua/