I'll go first. I've used a lot of search engines, I used duckduckgo for quite some time but found their search results kinda bad. I'm currently using ecosia the search results are similar to ddg's but at least I'm planting trees, so there's that.
Google most of the time, Yandex if I need to find pictures. Their image search is more like Google's before they nerfed it. I've used Qwant off and on in the past and rather liked it.