PC app for Network local storage and Camera/sensor management

Hello, I was wondering if I have the right spot but I was wondering if there is a roadmap or enough request for a local application for management and security? Just a simple app that can be used to for local network access for the cameras and sensors to manage them offline if it comes to it.

I use a personal VPN to my home network and wanted to be able to close off the cameras on my network to be behind my firewall and not connect to an outside source unless it goes through the VPN and wanted to see if there was a way to manage this offline?