DuckDuchGo (DDG) is a meta search engine that relies on the Yahoo & Yandex search API (http://en.wikipedia.org/wiki/Yahoo!_Search_BOSS) and adds some related Wikipedia/Yelp/Yummly/etc. snips.
So if Bing.com implements a similar rank algorithms your DDG/Yahoo results will too. http://en.wikipedia.org/wiki/DuckDuckGo
An open search engine was on "Show HN" on Saturday: https://news.ycombinator.com/item?id=9122397 -> https://deusu.org
Another open search engine from last year: https://news.ycombinator.com/item?id=6152839 -> http://www.gigablast.com
The European Union sponsored the development of an European Google competitor: http://www.heise.de/newsticker/meldung/Quaero-Erster-Vorlaeu... -> https://www.exalead.com/search/
DuckDuchGo (DDG) is a meta search engine that relies on the Yahoo & Yandex search API (http://en.wikipedia.org/wiki/Yahoo!_Search_BOSS) and adds some related Wikipedia/Yelp/Yummly/etc. snips.
So if Bing.com implements a similar rank algorithms your DDG/Yahoo results will too. http://en.wikipedia.org/wiki/DuckDuckGo