The best open source alternative to Powerpoint Online is LibreOffice - Impress. If that doesn't suit you, our users have ranked more than 50 alternatives to Powerpoint Online and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Powerpoint Online are Sozi, LaTeX Beamer and Prosper, Calligra Stage and Apache OpenOffice Impress.
Impress is a truly outstanding tool for creating effective multimedia presentations. Does linear or non-linear presentations with the included Presenter Console extension. Your presentations can be enhanced with 2D and 3D clip art, special effects and transition styles...
Sozi is an open-source browser-based presentation software using SVG and JavaScript to play animated presentations.
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.
Calligra Stage 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.
Impress, part of the Apache OpenOffice suite, is a presentation program similar to Microsoft PowerPoint . It does dual screen and linear presentations out of the box, but the free "Presenter Console"...
MS-365-Electron streamlines your workflow by offering a dedicated desktop interface for the free, web-based version of Microsoft 365. Think of it as a convenient launchpad for web applications like Word, Excel, and PowerPoint, eliminating the need to navigate through browser...
There are a lot of feature-rich, general-purpose, WYSIWYG slides makers like Microsoft PowerPoint and Apple Keynote. They work pretty well for making nice slides with animations, charts, and many other things, while being very intuitive and easy to learn.
latest version of impressive 2018 free and open source License GNU General Public License version 2.0 (GPLv2)
https://sourceforge.net/projects/impressive/files/Impressive/
The merge of convenience and cool! Hovercraft! is a tool to make impress.js presentations from reStructuredText.
Presenta Playground is an online tool based on Presenta Lib, a javascript library that generates web presentations from config objects.
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