Hilbert Curve Reference: en.wikipedia.o... What is DOTS Video: • Should You Use DOTS in... Watch the full stream with Dani: ru-vid.com... Dani is a developer at Unity working on DOTS.
Love that you cutting out bits of the live stream, it's really useful to focus on specific ECS / DOTS concepts and info without watching the whole thing
As far as open source things, I'd recommend checking out my Vampire Survivors clone that I recently made. It isn't overly complex and it was made in just a weekend, but it has basically everything you'd need to have in a complete game. github.com/JohnnyTurbo/LD53