I’ve been personally using Mull, which is Firefox-based. Big advantage over Bromite is that it supports add-ons as well!
If you don’t use your smartphone often, just buy a PinePhone.
At least Qwant is under European internet laws like GDPR, which is why I prefer it to DDG. I think it also uses its own servers while DDG uses AWS.
OCaml enjoyers anyone? 🐫