LaTeX Beamer and Prosper makes the most professionally typset documents with a large number of amazingly useful features not available from other types of presentation software.
License: Open Source
LaTeX Beamer is ideal for users who need advanced customization and mathematical typesetting, making it suitable for academia, while Prosper is an older tool for presentation creation in LaTeX. Google Slides excels in collaboration and ease of use, making it suitable for business and casual presentations.