Luna Modeler for SQL databases
Moon Modeler for noSQL
Galaxy Modeler for GraphQL
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About Luna Modeler
- Database Design Tool for Relational Databases
- Luna Modeler user interface
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PostgreSQL
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- Logical data model
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- Conceptual data model

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Postgresql
How to visualize existing PostgreSQL databases

How to visualize existing PostgreSQL databases

DATA MODELING TOOLS

DRAW Diagrams and

GENERATE Scripts

Download data modeling tools

Data Modeling Tools

Luna Modeler Data modeling tool for relational databases

Moon Modeler Schema design tool for MongoDB and noSQL

Galaxy Modeler Schema design tool for GraphQL

FREE Modeling Tools

Merit Modeler Free flowchart, data flow & use case diagram tool

Meteor Modeler Visual designer for Sequelize ORM

Documentation

Overview of data modeling software
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Data Modeling Solutions

PostgreSQL
Oracle Database
SQL Server
MariaDB
MySQL
SQLite
MongoDB
Mongoose
GraphQL

Specific Tutorials

How to connect to Supabase
How to visualize SQL Server Express
Creating an ER Diagram from Azure SQL Server
How to connect to MongoDB Atlas
Data modeling for AWS Amazon DocumentDB
How to visualize Cosmos DB databases

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Luna Modeler: alternative to Toad Data Modeler

Articles from our blog

How to list databases and show collections in MongoDB

Documenting Databases using ER Diagrams

Top 5 Benefits of Database Modeling Tools

Database design tool for macOS

Top 5 GUI tools for PostgreSQL

ER Diagram samples

What is a data model?

How to List Databases and Tables in PostgreSQL

What is entity relationship diagram?

NoSQL data modeling

How to make a diagram of your GraphQL schema

Many-to-many relationships

Crow's foot notation in ER diagrams

Top 6 GUI tools for SQLite in 2026

How to Set Up MongoDB with Docker Desktop

How to Create a Flowchart Diagram

How to Create a Data Flow Diagram

How to Build a Use Case Diagram

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