I roll my own. Cheapo PoE cameras, with a Ubiq PoE switch. Custom written app to display the RTSP streams on a web page. Only accessible over VPN and zero outbo

I roll my own. Cheapo PoE cameras, with a Ubiq PoE switch. Custom written app to display the RTSP streams on a web page. Only accessible over VPN and zero outbound internet access. I don't have anything doing motion detection or anything fancy, just 24/7 recording and live view playback.