Deck - A multi-timeline viewer for GitHub repository events
Preceden - Preceden makes it easy to build simple, powerful timelines
DeckHub - A TweetDeck style desktop client for GitHub.
Timeline - Timeline is a cross-platform application for displaying and navigating events on a timeline.
JXL for Jira - The power of Jira with the familiarity of spreadsheets
Tiki-Toki - Tiki-Toki is web-based timeline software for creating beautiful interactive timelines that you can share on the web.