Dipity

Dipity's mission is to take the most useful information on the Internet and organize it by time. By providing digital timeline technology, Dipity allows users to gather real-time sources from social media, traditional search services and RSS to aggregate them in a single, easy to use, fun to navigate interface.

Dipity offers free accounts with ads to convert quality content with high traffic into revenue.  Dipity also offers Plus and Pro level accounts for a monthly or annual fee that allow for color customization and ad-free timelines.  Finally, Dipity partners with other sites and organizations to provide custom engineering on a case-by-case basis.