Unfiltered.news - What the world is talking about, visualized graphically
Boomerang Respondable - Write perfect emails with Artificial Intelligence
News API - Get live headlines from a range of news sources
Mailbutler - Mailbutler adds lacking functionality to email clients and increases your productivity
Google News - Comprehensive up-to-date news coverage, aggregated from sources all over the world by Google News.
Boomerang for Gmail - Boomerang for Gmail is a Firefox / Chrome plugin that lets you take control of when you send and receive email messages.