What are some alternatives?
When comparing Newslines and Bullet News, you can also consider the following products
Timeline - Timeline is a cross-platform application for displaying and navigating events on a timeline.
Google News - Comprehensive up-to-date news coverage, aggregated from sources all over the world by Google News.
Aeon Timeline - "The timeline tool for creative thinking. Capture, create and explore ideas."
theSkimm - theSkimm app anticipates what you need to know and when.
Sutori - Sutori is the easiest way to create an interactive story collaboratively.
Hvper - The Internet on one page. Successor of Popurls, the mother of news aggregators.