Prezi is a visual storytelling software and alternative to traditional slide-based presentation formats.

Reveal.js is a framework for easily creating beautiful presentations using HTML.

impress.js is a presentation framework based on the power of CSS3 transforms and transitions in modern browsers.

Lumo is an interactive presentation and content marketing tool.

Visual Understanding Environment or VUE is a free, open source concept mapping application written in Java.

Sozi is a zooming presentation editor and player.

Academic Presenter is professional presentation software designed by academicians for academicians to elevate presentations' quality to the next level.