Timeline - Timeline is a cross-platform application for displaying and navigating events on a timeline.
Gantt - Create beautiful Gantt charts
Aeon Timeline - "The timeline tool for creative thinking. Capture, create and explore ideas."
GoodGantt - The best Gantt chart for Trello®
Preceden - Preceden makes it easy to build simple, powerful timelines
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.