280 Slides let you create beautiful presentations, access them from anywhere because they store your presentation’s securely on their server. With a single click you can download a copy of your presentation in the Microsoft PowerPoint 2007 format. And also, you can put your presentation on SlideShare, e-mail it to a friend, or embed it directly on your own website, all with just a few clicks. 280 Slides runs right in the browser, with no download and no installation, and it works just like the desktop applications you’re used to and nothing to pay for. It is absolutely free for everyone.

Requirements: -
Demo: http://280slides.com
License: License Free