In this article, we are going to list the top ten most similar alternatives to DuckDuckGo in the Search Engine area. We extracted all known advertised features from every tool in the Search Engine category, ran a custom cluster analysis, and finally compared every tool to every other tool to select those Search Engine solutions that are the most like (or unlike) DuckDuckGo.
Take a look at our DuckDuckGo research publication for a scatter plot, a top ten list, a custom survey, featured descriptions, and more details about the research principles behind these top ten alternatives and bottom ten alternatives lists for DuckDuckGo. Clicking on a link will take you to a page dedicated to that tool. Note that the bottom ten tools listed here are not necessarily inferior to DuckDuckGo.