zawius

Probably the most customizable firefox fork out if the box. Setting a custom search/autocomplete engine and privacy defaults is offered right from the start. Smallweb browsing option is a breath of fresh air, too.

Only cons I can think of are occasional stutters (as the app is non-stable release?), and steep learning curve for some customizations

No email/account needed but only customer id (or even own search url).

Enabling result favicons was fortunately possible, a must for me. Other permanent search customizations were decent too, I suggest to check.

I see that the results might deter some people, but that is the cost of wanting to use smaller European indices like EUSP or even Marginalia. I found them good enough. There is the option to prioritize the traditional indices more.