TimelineJS
TimelineJS is an open-source tool that enables journalists/publishers to build visually-rich interactive timelines quickly and easily. Feel free to grab the code if you’d like, or use a familiar Google Docs interface to quickly put together a beautiful timeline that can incorporate varying media, such as YouTube, Vimeo, SoundCloud, Google Maps, Twitter, and Flickr. The team has put quite a bit of time into the documentation, FAQs, etc … so dig in. Don’t forget to tweet us if you make a timeline, we just might incorporate it into our examples gallery! Visit the repo
By what metric?