Hey Product Hunt 👋 I built MDyX because I kept looking for a good WYSIWYG-style Markdown editor and couldn't find one that felt right. I've used LyX for LaTeX documents in the past, and I wanted the same experience for Markdown — you get the formatting without needing to memorize the syntax, but the file itself stays plain and portable. A few things I focused on: - Tables and math formulas are edited directly in place. Diagrams (PlantUML/Mermaid) are rendered inline from their source, so you're not switching between a raw Markdown pane and a preview pane. - Complex tables and diagrams are best edited in dedicated tools (a spreadsheet, a PlantUML editor), not reinvented inside a text editor — so MDyX exchanges data with them through the clipboard, in both directions. - Mermaid diagrams render entirely on-device, no server involved. PlantUML uses a server by default (self-hostable if you care about privacy). - The saved file is always plain Markdown — no lock-in, no proprietary format. Would love your feedback, especially if you're coming from LyX, Typora, or Obsidian and have thoughts on what's missing!

MDyX - WYSIWYM Markdown editor

WYSIWYM Markdown editor — tables, math, diagrams inline

WYSIWYM Markdown editor — tables, math, diagrams inline