Preceden - Preceden makes it easy to build simple, powerful timelines
Aeon Timeline - "The timeline tool for creative thinking. Capture, create and explore ideas."
Time.Graphics - Time.Graphics is a timeline and free of charge online service for creating infographics.
Timeline JS - Beautifully crafted timelines based on Google Spreadsheets that are easy, and intuitive to use.
GitHub Student Developer Pack - The best developer tools, free for students.
liniaa - See all your precious memories at a glance.