#diagrams

Mermaid NG — Visual Editor

NGPowerToys

WYSIWYG, drag-and-drop visual editor for AI-friendly Mermaid diagrams — what you see is what you get. For architects and developers — build, edit, and round-trip flowcharts, sequence, class, ER, and state diagrams across .md and .mmd files. Multi-sheet (draw.io style), fully offline (Mermaid 11.15.0

Advanced MD to PDF

hsynkmk

Convert Markdown to PDF instantly. Mermaid diagrams, KaTeX math, GitHub alerts, collapsible , themes, syntax highlighting, and smart overflow handling.

Mermaid Preview — 100% Offline

brainfkt

Offline-first Mermaid diagram preview for VS Code—with professional export, no account, and no required network connection.

Markr – AI Config Editor & Markdown Preview

Apptware-Product-Lab

The memory & control layer for AI coding tools + Markdown preview — Context Bridge hands off sessions between Claude Code, Cursor, Augment, Codex, Cline, Windsurf & Gemini; cross-session memory, self-writing configs, AI Scoreboard; AI Agent Map for multi-agent .claude/ repos, Config Lab to test your

Edit Diagrams with draw.io

electropol-fr

Edit your draw.io diagrams (app.diagrams.net).

Markdown Viewer by EDTR.md

YMG

EDTR.md Markdown viewer and live preview for VS Code with Mermaid diagrams, KaTeX math, Vega-Lite charts, ABC notation, callouts and task lists.

Draw.io

emait

This extension brings draw.io directly into Azure DevOps, so you can view, create and edit your diagrams.

Markdown Site Preview

microwebstacks

Browse your whole Markdown documentation like a website — Mermaid/PlantUML diagrams, tables, file tree and outline navigation.

InfraMind

aryankapoor-keninjavelas

AI-native Infrastructure Intelligence for Modern DevOps

Declarative Capability Language (DCL)

dcl

Workbench support for Declarative Capability Language: authoring, diagnostics, semantic navigation, and architecture graphs.

Author and preview ChartForgeX visual blocks from Markdown-friendly markup.