https://www.nin.com/ (https://www.nin.com/)
Pretty much just music/sound stuff but they have put it out there for free.
Seen them live a couple of times, I don't like all Trents work but he really is a musical pioneer 8) They are releasing the Quake OST soon, I may grab a copy for nostalgia.
Bandcamp is great for picking up free new music from all kinds of upcoming/unknown artists too.