https://www.spacex.com/vehicles/starship/ Official
Boca Chica, Texas Has quick links to weather, road closures etc.
https://forum.nasaspaceflight.com/in...?topic=52924.0 NasaSpaceFlight Updates.
YouTube streams on LabPadre, NasaSpaceFlight, Everyday Astronaut, and many other 3rd party channels that may be using others cameras with permission, and additional commentary.
SpaceX official YouTube has onboard cameras, but probably won't be live until about T -5 minutes.
Plenty of Facebook and Twitter coverage too, including @bocachicagal, @nextspaceflight, and of course @elonmusk.