er-diagram

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

Where data access meets operational intelligence

Open-source desktop SQL workspace for PostgreSQL, MySQL/MariaDB, SQLite and 15+ more databases like DuckDB, ClickHouse, Redis and Firestore. Built-in MCP server for Claude, Cursor and Devin, SQL notebooks and visual EXPLAIN.

tbls is a CI-Friendly tool to document a database, written in Go.

Database documentation built easy

Free database schema discovery and comprehension tool

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

Generate PlantUML ER diagram textual description from PostgreSQL tables

A live database structure viewer for Laravel that renders your schema as a scrollable, zoomable ER diagram. Structure only, never data.

PDDON windows client, PDDON is a daily drawing tool that supports low code for learning or office use. It can be used for flowchart, mind map, UML diagram, ER diagram, network topology diagram, BPMN, Venn diagram, database model diagram, whiteboard drawing, infinite canvas, and more

UML and ER-diagram editor for Eclipse

TextUSM is a web-based diagram editor that generates diagrams from indented text

【在线免费使用】 简单快速将SQL或DBML转换为美观的ER图（支持 Agent Skill）/ The best SQL to ER Diagram converter (Support Agent Skill).

Dadbod Grip turns database tables into editable Vim buffers, with schema browsing, staged mutations, generated SQL, relationship navigation, and cross-database federation inside Neovim.

Salesforce app to generate UML class & ER-diagrams from your org data. Leverages the PlantUML library.

Web application for renting electronic scooters.

Visualizes a DB schema based on Django models

Free, MIT alternative to paid Django schema review. Blast radius on every PR, schema drift, N+1 across functions, ER diagrams, MCP server. No DB, no Django boot, no Pro tier.

A Flask web application to implement a Hotel Management system with dynamic Room Listings, Booking facility, Admin console, Billing Facility for guests supported by MySQL database.

DBMS project on Organ Donation and Procurement Network Management System