Google News - Comprehensive up-to-date news coverage, aggregated from sources all over the world by Google News.
Hacker News Stack - Focus on the really fresh and unread news in Hacker News.
Unfiltered.news - What the world is talking about, visualized graphically
Box Piper Hacker News - Re-Imagined Hacker News for this decade.
News API - Get live headlines from a range of news sources
Hacker News Front Page Explorer - A database of top ranking Hacker News front page posts