Luna Modeler Powerful ERD Creator & Data Modeling Tool
Luna Modeler is a modern and intuitive database modeling tool designed for creating and managing relational database schemas.

Whether you're a developer, data architect, or analyst, Luna Modeler helps you visualize, design, and generate databases quickly and with confidence. With support for leading relational database systems and a user-friendly diagram editor, it's an ideal ER diagram tool, schema design solution, and data modeling tool for technical teams of all sizes.
Design Better Databases with Luna Modeler
Key Features
- ERD CreatorBuild entity-relationship diagrams effortlessly
- Schema Design Tool Define tables, columns, relationships, and constraints
- Reverse EngineeringConnect, load and visualize existing databases
- SQL GenerationExport clean SQL scripts for deployment
- Cross-platform Support Manage ER diagrams for Oracle Database, SQL Server, MySQL, MariaDB, PostgreSQL, SQLite and other compatible systems
Who Is Luna Modeler For?
- Software developers designing back-end schemas
- Data engineers modeling data structures
- Business analysts creating ER diagrams
- DBAs and architects managing complex databases
- Educators
- Anyone who is passionate about database design and wants to use a modern, intuitive and affordable tool
Why Choose Luna Modeler?
- Visual + Technical = PowerfulCombine diagram clarity with SQL accuracy. Create clear, professional ER diagrams that reflect real schema logic. It's more than just boxes and lines.
- Purpose-built for database modeling No clutter. No compromises. Luna Modeler focuses solely on database design - with deep, native support for relational systems.
- Fast learning curve Start modeling in minutes, thanks to an intuitive UI.
- SQL generation included Generate ready-to-run SQL scripts instantly.
- Offline. Private. Secure Luna Modeler runs locally. Your data stays on your machine. No cloud lock-in.
Compare Luna Modeler with Other Tools
Unlike generic diagram tools, Luna Modeler is purpose-built for data modeling. It combines visual clarity with technical accuracy, making it one of the most efficient and accessible database design tools on the market. If you're looking for a schema design tool, an ER diagram tool, or simply the best ERD creator for relational databases, Luna Modeler gives you all-in-one functionality without the learning curve.
A Simple Alternative to Enterprise Data Modeling Tools
Tired of overcomplicated and expensive modeling software? Luna Modeler is a user-friendly alternative to enterprise data modeling tools - ideal for professionals who value simplicity, clarity, and cost-efficiency.
What our customers say
- It is simply a brilliant product at a fantastic price....
- I have never found a data modeling system that is easy to use...
- The Luna Modeler sped up exponentially my modeling time...
FAQ - Frequently Asked Questions
- What is Luna Modeler?
- Luna Modeler is a professional database modeling tool for designing relational schemas and creating ER diagrams.
- Can I use Luna Modeler to generate SQL scripts?
- Yes. Luna Modeler supports full SQL generation from your visual database models.
- Does Luna Modeler support reverse engineering?
- Absolutely. You can import existing database structures and convert them into editable visual models.
- Which databases does Luna Modeler support?
- It currently supports Oracle, SQL Server, MySQL, PostgreSQL, SQLite, and MariaDB.
- Is Luna Modeler cloud-based?
- Luna Modeler runs locally on your computer, ensuring full privacy and offline access.

Get Started
Ready to get started with Luna Modeler? Download it for Windows, macOS, or Linux, read detailed documentation, and choose the licensing option that suits you best — including a perpetual license — all at datensen.com.
Contacts
Ideamerit s.r.o.
Czech Republic
European Union
ID No. 175 96 041
TAX ID No. CZ 175 96 041