Scrypted:

Scrypted can bridge most cameras to the three major home hubs: HomeKit (including HomeKit Secure Video), Google Home, and Alexa. Scrypted streams are fast, low latency, and have rock solid reliability.

Cameras: Unifi, Amcrest, Hikvision, ONVIF, RTSP, Ring, Arlo, Nest/Google, Tuya, Reolink, and more…