I have hikvision, they support local rtsp but you need internet explorer to set them up. I’m not kidding, not mistaking it for Edge, and bought new 2 years ago

Symfonium looks amazing except for the part where you need a google play account to use it. It literally has every feature I’ve been looking for.

Make sure you can afford the elctricity later. 250W constant draw doubled the bill I had before installing my rack. Do the math with kWh per month.

If you use Linux in English, en-CA is also the best locale to use, it has 24 hour time, metric units and simplified (american) language. They will conquer the world with convenience!