This independently constructed Node.js wrapper is made to interface with the DuckDuckGo Zero Instant Answers API. Though not officially supported by DuckDuckGo, the library is endorsed on the DuckDuckGo API documentation under supporting library integrations. DuckDuckGo is a search engine which distinguishes itself by not tracking its users or generating results based on its user's previous behavior. The DuckDuckGo Instant Answer API provides free programmatic access to many of the search engine's instant answers, pulled from over 100 independent sources.
Yahoo! BOSS, the Build Your Own Search Service, has seen a series of upheavals in the last two years. When Yahoo! announced its Search partnership with Microsoft, it looked that Yahoo! BOSS might not survive for long. However, that was not the case. Yahoo! BOSS has come back strongly this year with paid version V2 and major updates to the BOSS API. In a sign that it is alive and kicking, it has announced a new home for Search BOSS and three new product offerings under the BOSS umbrella along with API updates.
OCWSearch, the search engine for OpenCourseWare courses, has launched a search API. With courses from major universities such as MIT, Stanford or Yale, OCWSearch API now lets you search the full index and get information about course title, date, description or names of instructors.