Aeon Timeline - "The timeline tool for creative thinking. Capture, create and explore ideas."
Deck - A multi-timeline viewer for GitHub repository events
Timeline - Timeline is a cross-platform application for displaying and navigating events on a timeline.
GitKraken Timelines - Communicate major project milestones and deadlines for free
Preceden - Preceden makes it easy to build simple, powerful timelines
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.