Frigate NVR is described as 'A complete and local NVR with AI object detection. Uses OpenCV and Tensorflow to perform realtime object detection locally for IP cameras.
With a very good HomeAssistant integration' and is an app. There are more than 10 alternatives to Frigate NVR for a variety of platforms, including Linux, Self-Hosted, Windows, Mac and Android apps. The best Frigate NVR alternative is Blue Iris. It's not free, so if you're looking for a free alternative, you could try Shinobi or ZoneMinder. Other great apps like Frigate NVR are tinyCam Monitor, Synology Surveillance Station, MotionEye and Motion.