Website: https://invidious.io/
Source Code: https://github.com/iv-org/invidious
Donate: https://invidious.io/donate/
"Invidious is a free and open-source alternative frontend to YouTube. It is available as a Docker container, or from the GitHub master branch. It is intended to be used as a lightweight and privacy-respecting alternative to the official YouTube website. Many privacy preserving redirecting software as well as YouTube clients use Invidious instances."