LibreOffice - Impress!

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.

Microsoft PowerPoint, part of the Microsoft Office Suite , enables users to create high-impact, dynamic presentations, while integrating workflow and ways to easily share information. From the Microsoft Office Fluent user interface to the new graphics and formatting capabilities, PowerPoint puts the control in your hands to create great-looking presentations.

Google Slides, part of Google Drive , is an online presentations app that allows you to show off your work in a visual way. Here's what you can do with Google Slides:

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

Marp is the simplest presentation writer with Markdown.

Impress, part of the Apache OpenOffice suite, is a presentation program similar to Microsoft Office Powerpoint . It does dual screen and linear presentations out of the box, but the free "Presenter Console" extension adds much better dual screen and non-linear presentation capabilities.

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

The stylish way of giving presentations.

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.

Haiku Deck, a free iPad app, is a completely new kind of presentation software designed to make your slides stunning. Whether you are pitching an idea, teaching a lesson, delivering a keynote, or igniting a movement, Haiku Deck makes presentations simple, beautiful, and fun.

Kingsoft Presentation is a sophisticated slide show application that is highly compatible with Microsoft PowerPoint (97/2000/2003/2007/2010). You’re able to open, edit, and save .ppt, .pptx, and .dps file formats, whilst also being able to export your Presentation documents as PDF or HTML files. This makes it far easier to share files via the Internet. It offers an out-package function that can package slides for CDs using Package for CD. Converting slides to the CD format makes them easier to use and save, and allows them to be played on a computer that doesn't have Kingsoft Presentation installed. The interface of Kingsoft Presentation is highly similar to the 2003 version of PPT, allowing you to easily transfer files between the two programs without extra training.Features1. The ability to add multimedia elements, from text and photos to audio and video. 2. It also has a built-in chart and diagram editor to help users’ better present data.3. Password protection to keep users’ work safe, 4. A spell check function to make sure the text is polished. 5. Table Style.numerous table styles for all different types of presentations.6. Multi-tab Interface. Manage all the opened word documents under one window. 7. Set Encryption for Your Documents. Protect your documents from being viewed or edited by unauthorized users. 8. Send Files as Email Attachment Directly. What's new in the latest version? The installation package is only 37MB. This means the program only takes you minutes to download and install and occupies very minimal system resources. You don't need a top spec computer to create top quality documents. Help & Support: Users can easily access the support center and email us, or join us in the official forum of Kingsoft's website. »

Calligra Stage (previously KPresenter) is an easy to use yet still flexible presentation application. You can easily create presentations containing a rich variety of elements, from graphics to text, from charts to images. Calligra Stage is extensible through a plugin system, so it is easy to add new effects, new content elements or even new ways of managing your presentation. Because of the integration with Calligra, all the power and flexibility of the Calligra content elements are available to Stage. »