Vivaldi is 95% open source, and I understand that may not be enough for some but I think that’s a lot better than most alternatives. It also works great.

https://vivaldi.com/blog/technology/why-isnt-vivaldi-browser-open-source/

Shout-out to Vivaldi for forking before mv3 happens. It is chromium based but they are very openly anti-google. It’s the OG Chrome devs as far as I understand.