Prezi - Welcome to Prezi, the presentation software that uses motion, zoom, and spatial relationships to bring your ideas to life and make you a great presenter.

Aeon Timeline - "The timeline tool for creative thinking. Capture, create and explore ideas."

Reveal.js - A framework for easily creating beautiful presentations using HTML

Preceden - Preceden makes it easy to build simple, powerful timelines

Google Slides - Create a new presentation and edit it with others at the same time — from your computer, phone or tablet. Free with a Google account.

ChronoFlo Timeline Maker - Create beautiful interactive timelines that you can share online