impress.js!

Prezi allows anyone who can sketch an idea on a napkin to create and perform stunning non-linear presentations with relations, zooming into details, and adjusting to the time left without the need to skip slides.

Reveal.js is a modern open-source non-linear presentation framework based on HTML5, CSS3 and JavaScript, with cool 3D transition effects, cross-browser support, PDF export, and a WYSIWYG editor.

Sozi is an open-source browser-based presentation software using SVG and JavaScript to play animated presentations.

Academic Presenter is a software which enables users to prepare a special type of vector-based presentations. This unique software helps users to represents very huge graphs in addition to raster images, audios, and even videos. The software composed of two major sectors; the first sector is proposing handy tools to build graphs and frames in a minute. The second sector is animation which creates effulgence transitions in camera and elements for representing different parts of your presentation. The bottom line is that it is FREE. »

Takes a few hours to catch on, but makes the most professionally typset documents with a large number of amazingly useful features not available from other types of presentation software. For presentations, consider the Beamer or Prosper document class. Lyx provides a simple interface to LaTeX. One great figure is the ease of outlining and navigating the entire presentation from within each slide. See an introduction here: http://www.latex-project.org/intro.html

SlideDog is a multimedia presentation tool that lets you combine PowerPoint presentations, PDF files, Prezi presentations, movie clips, web pages, and more to create an innovative and seamless presentation experience.

JessyInk is an extension for Inkscape , that integrates effects, transitions and views, in order to build a non linear presentation.

* Write your presentations in a text markup language. No slow, limiting GUI, no annoying HTML!* Pan, rotate and zoom in 3D, with automatic repositioning of slides!\* A presenter console with notes and slide previews!* The slide show generated is in HTML, so you only need a web browser to show it.* Easy sharing, as it can be put up on a website for anyone to see!

JavaScript - HTML Presentation framework

This simple script adds presentation functionality to an HTML page.

emaze is the next generation of online presentation software. emaze allows you to create a well designed presentation without having to be a designer. Simply select any of our free professionally designed presentation templates to create an amazing visual experience for your audience. Instead of the standardized templates and features other tools provide, emaze allows you to have limitation-free creativity. Our templates come in a wide range of categories, by top designers to fit your messaging. In every presentation, you can utilize innovative features from 3D scenes to 2D slides, pan and zoom, videos, animation, sound effects and more. Built on HTML5 technology, emaze works seamlessly on all browsers and devices.You can easily make the transition from PowerPoint to emaze by importing your presentation through our easy-to-use application. »

DIY Presentation Micro-Framework, less than 1KB minified and gzipped, with no dependencies.Bespoke.js provides the foundation, then gets out of your way so you can focus on uniquely crafting your own personal deck style.Using keyboard and touch events, Bespoke.js adds classes to your slides, while you provide the CSS transitions.With its robust plugin system, new functionality can be added to Bespoke.js easily.

WebSlides provides all the essentials to make beautifully HTML presentations, in the easiest way possible. Just choose a demo and customize it in minutes. 120+ slides ready to use.

Template-free, drag-and-drop, no coding software for creating, sharing and deploying interactive experiences - everything from touch screens and Microsoft Kinect to RFID/NFC readers and connected objects. Use your own graphic media, layouts and workflows without ever writing code.Target Windows, iPad, Android and Samsung SSP. Used by companies for everything from digital signs to sales presentations, curated art exhibits to retail kiosks, trade show installations to the classroom. Use our Free Edition today! »