Here are some of the best free video surveillance, video monitoring, motion detection & IP camera software for Windows 11/10 PC.

Check their list of supported cameras and standards. There is a free version that puts a watermark on all recordings. I use it for home surveillance, but it is not without flaws.

Ah, generic unbranded IP cameras. Safe, secure? Probably not. [Alex] has been hacking around with one of his very own, and he’s recently busted the thing wide open. Determining that the camer… ...

All devices sit on the same switch so Exacq software recognises the device with the wrong subnet but it is not accessible. eg - IP cameras are on 121.30.1.2 subnet and speaker is on 121.20.1.3 subnet.