Electron apps

• Marp: Markdown presentation ecosystem.
• muryoimpl/slippr: markdown presentation app by Electron
• joe-re/cafe-pitch Markdown-driven presentation tool built on Electron.

Slide deck frameworks supporting Markdown source

• hakimel/reveal.js: The HTML Presentation Framework
• jxnblk/mdx-deck: React MDX-based presentation decks
• gnab/remark: A simple, in-browser, markdown-driven slideshow tool.
• FormidableLabs/spectacle: ReactJS based Presentation Library
• deckjs/deck: Deck is a markdown driven content presentation system

Hosted services

• Slides.com: Online UI for creating RevealJS decks (no markdown support yet, but maybe someday)
• Platon.io: Simple markdown presentations, right in the browser, using remarkjs
• Swipe: Create Interactive Online Presentations On Any Device
• HackMD: The best way to share knowledge in markdown
• Presenta: Make slides fast!

macOS apps

• Slidium: Beautiful and Easy Markdown Presentation - Neomobili
• Deckset: Presentations from Markdown in No Time
• Quiver: Developer notebook, with a presentation mode
• Slideas: Slideas is the easiest way to create a beautiful Markdown Presentation, with all the features you need.
• Obsidian: Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.

CLI markdown ⇒ slides conversion tools

• Pandoc
• Fusuma: A tool to create slides easily for you
• present: A terminal-based presentation tool with colors and effects.
• backslide: CLI tool for making HTML presentations with Remark.js using Markdown
• patat: (Presentations Atop The ANSI Terminal) is a small tool that allows you to show presentations using only an ANSI terminal. It does not require ncurses
• markdown-slides: Using markdown, write simple but beautiful presentations with math, animations and media, which can be visualized in a web browser even without an internet connection, or exported to PDF.
• S9: Write Your Slides in Plain Text w/ Markdown Formatting Conventions - Free Web Alternative to PowerPoint and Keynote
• Cleaver: 30-second Slideshows for Hackers