This formatting of presentation provides linear slide format which might help reduce cognitive overload, focus attention of the audience, and promote logical analysis. Many slide presentation software provide templates or ways to customize a specific design. There are files that include various graphics, visual elements, text features, and transitions. When considering the effective slide software, one must consider if it's web-based or if it does not need internet connection.
What are 'Slide Presentations' and
the purpose for them?
PowerPoint/Google Slides
(create account)
Prezi (free software)
www.prezi.com
PowToon (free software)
https://www.powtoon.com/home/?

PowerPoint is a Microsoft Office based program that is not dependent on internet connection. However, to share you have to upload presentation to web-based domain. You can import your PowerPoint onto Google Slides as they programs share the same features. Google Slides is web-based software.
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Prezi is a web-based program that provides a format of map-like canvas to transition to slides in a non-chronological order or sequence. The slides provide heavy reliance on animation which contributes to visuospatial processing, conceptual understanding, and narrative storytelling.

PowToon is a web-based program that provides short-animated slide presentation with structure to create a short, to the point video. The templates provide options for animations, text effects, music, and audio closed-captioning. There is an interactive report option to view the numerical response to the videos and presentations.