As a side topic, is there a useful web search engine that uses a fundamentally different approach to Google, e.g. aren't using backlinks as a ranking signal? W

As a side topic, is there a useful web search engine that uses a fundamentally different approach to Google, e.g. aren't using backlinks as a ranking signal? When Google's approach isn't giving me an answer, it'd be nice to try a search that wasn't based on a discoverability feedback loop.