dbml

drawdb

+80

Free, simple, and intuitive online database diagram editor and SQL generator.

erd-editor

+11

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.

holistics/dbml

+2

Database Markup Language (DBML), designed to define and document database structures