OldNYC - Mapping historical photos from the NYPL
The Speed of a Unicorn - See how long it took for startups to become unicorns 🦄
Morse - Create, shout out, and discover nearby events in real time
The Careers of the Founders - A timeline of success & failures of remarkable entrepreneurs
Historico - iOS app & widgets to discover daily historical events
Visual Biographies - Timelines of amazing lives for visual learners