I use Zoneminder. That has support for a lot of different cameras and then you only have to connect to the one frontend regardless of the cameras themselves.

I use Zoneminder. That has support for a lot of different cameras and then you only have to connect to the one frontend regardless of the cameras themselves. It takes a fair bit of tweaking but it has been around for a very long time. This: https://wiki.zoneminder.com/index.php/Understanding_ZoneMinder's_Zoning_system_for_Dummies https://wiki.zoneminder.com/index.php/Understanding_ZoneMind...? gives some handy hints on zoning.