Mojeek.com (own crawler for results)

Brave search (own crawler)

Metzger.com (bing, scopia, infotiger,yandex & yahoo results)

Swisscows.com (bing results)

Qwant.com (bing results)

duckduckgo.com (mostly bing results)

Use !g before query to get google results for comparison

startpage.com