koedame/rails-mermaid_erd

Generate Entity-Relationship Diagrams for Rails applications

Create Mermaid-Js ERD diagrams from existing tables

Generate an ER Diagram based on your Prisma schema every time you run npx prisma generate

ER diagram generator. Paste CREATE TABLE statements and get a clean, interactive ERD — runs 100% in your browser, nothing uploaded

Automatically generates beautiful and easy-to-read ER diagrams from your database.

A mix task for generating Entity Relationship Diagram from Ecto schemas available in your project.

ERD exporter with PlantUML and mermaid format

ERD Builder Pro is a database design and documentation tool for developers. Build ERDs, flowcharts, notes, and drawings — all in one workspace

Design database schemas as ERDs in your browser, VS Code, JetBrains IDEs or Obsidian. Import SQL, DBML and GraphQL, export DDL and code, and let coding agents edit live over MCP.