KWatch.io - Monitor Keywords on Reddit, Twitter, Linkedin, Quora, Facebook, and Hacker News. Receive an instant alert when specific keywords appear on social media.
Unfiltered.news - What the world is talking about, visualized graphically
F5Bot - F5Bot will send you an email whenever your brand, product, or keyword is mentioned online.
Google News - Comprehensive up-to-date news coverage, aggregated from sources all over the world by Google News.
Syften - Better social media keyword alerts
News API - Get live headlines from a range of news sources