Greasy Fork is available in English.
DuckDuckGo debranded and stripped down to the search boxes and results. License: GNU GPL
NOTE: This script is longer maintained. They're changing things too often, so I'm going to try a different approach.
A script to provide a very simple, generic search page, using DuckDuckGo.
The search image is embedded in the script.
Near the bottom of the script, you'll find instructions for customizing DuckDuckGo's settings as well.
