DuckDuckGo !bangs
Googlechrome extension that add DuckDuckGo bang buttons to search results and search links in the context menu.
(bang - shortcut that quickly take search results on other sites like Wikipedia(!w), Amazon(!a), YouTube(!ytd) etc)
https://chrome.google.com/webstore/detail/duckduckgo-bangs/hdjfebkndhmegijlghjcdghdbealibeb/related