CKEditor 5 is a powerful rich text editor (WYSIWYG editor) framework with a modular architecture, modern integrations, and features like collaborative editing.
TOAST UI Editor provides Markdown mode and WYSIWYG mode. The TOAST UI Editor offers Markdown mode and WYSIWYG mode, those can be switched at any time during writing content.
Markvis is a plugin to generate charts in markdown with few lines of code.
It's designed to be as minimal as possible, for constrained use-cases where a full Markdown parser would be inappropriate.
Kajero notebook is just a Markdown document with a script attached. Kajero is designed to make it really easy for anyone to create good-looking, responsive, interactive documents.
Markdownify is the simplest markdown editor with built in cloudinary image upload.
Bootstrap Markdown is a plugin for markdown editing. It exposes useful API that allow you to fully hook-in into the plugin.
It's best viewed in a browser with support for CSS 3D transforms butfallbacks are available to make sure your presentation can still be viewed elsewhere.