I use MeTube or Invidious. I think I saw something else called viewtube too. 

You should be able to find instances of metube and invidious at the very least scattered around the net so you don't have to self-host but I would always recommend self-hosting.

https://github.com/alexta69/metube
https://github.com/ViewTube/viewtube
https://github.com/iv-org/invidious