It may be Open Source, but not FOSS. google still controls and dictates Chromium's path forward. To their benefit. The repo is even on googlesource. They may not have created the forks, but as long as those forks are beholden to the upstream updates, they're still playing by googles tune.
google Chromium browsers. Chrome, Opera, Brave, Vivaldi, Edge, Yandex, SRWare Iron, Sleipner, Epic, Naver, Qute, Dissenter, etc.
https://en.wikipedia.org/w/index.php?title=Usage_share_of_web_browsers&useskin=vector
Even Firefox Quantum contains an unholy amount of google browser tech.
AFAIK, Chromium is open source. While it might be made by Google, they don't own those browsers.
It may be Open Source, but not FOSS. google still controls and dictates Chromium's path forward. To their benefit. The repo is even on googlesource. They may not have created the forks, but as long as those forks are beholden to the upstream updates, they're still playing by googles tune.