LaTeX Beamer and Prosper - LaTeX is a high-quality typesetting system; it includes features designed for the production of technical and scientific documentation.
Microsoft PowerPoint Viewer - Microsoft PowerPoint Viewer is one of the powerful applications that allow you to access the familiar tools to create, edit, view, present, and share presentations in no time from any location.
Microsoft PowerPoint - Microsoft PowerPoint empowers you to create clean slideshow presentations and intricate pitch decks and gives you a powerful presentation maker to tell your story.
PPTX Viewer - PPTX Viewer is one of the lightweight applications that allows you to view, create, edit and share your presentation without facing any advertisement issue.
Apache OpenOffice Impress - Impress, part of the https://alternativeto.
GitPitch - The Markdown Presentation Service on Git