Timeline JS
TimelineJS is an open-source tool that enables anyone to build visually rich, interactive timelines. Incorporate media and images into your timeline. Examples
Tiki-Toki
Tiki-Toki is web-based software for creating beautiful interactive timelines that you can share on the internet. Incorporate YouTube and Vimeo videos into your timeline.
Neatline
A platform for creating online narrative exhibits using maps, images, and timelines. Neatline is an add-on tool for Omeka, and requires Omeka installation. Examples | Case Studies
TimeMapper
An open-source project of Open Knowledge Foundation Labs that takes your places and dates from a Google Spreadsheet and places them on a map and timeline.
A web tool for turning text documents into an interactive timeline
