All of Iridium, unGoogled Chromium and Brave Browser make bold claims for privacy. Talk is cheap and fortunately the EFF is here to referee.
Google Chromium Binaries: Here’s where Google hide the nightly builds of Chrome without the spyware
For some unaccountable reason, the URL 404’s now (don’t Google know about 301 redirects?) – here’s the new working nightly build link.