Hardened Gentoo? *BSD? ArchLinux? They still come with some kind of tracking, like Chromium downloads binary blob that manages your microphone, or Firefox that

Hardened Gentoo? *BSD? ArchLinux? They still come with some kind of tracking, like Chromium downloads binary blob that manages your microphone, or Firefox that includes telemetry and crash reporting, but at least you can easily recompile Fx without pocket, WebRTC etc. which you can't do in Win10.