When it comes to database modeling tools, one name that often comes up is ERWin® Data Modeler. This well-established software is a strong player in the data modeling space, but if you’re searching for an alternative, we invite you to download and try Luna Modeler.
Introducing Luna Modeler
Luna Modeler is designed to simplify the data modeling process while maintaining professional-grade capabilities. It’s ideal for developers, database architects, DBAs, analysts, educators and anyone who is passionate about database design and wants to use a lightweight and affordable tool.

Key Features of Luna Modeler
- Visual modeling for Oracle, SQL Server, PostgreSQL, MySQL, MariaDB, SQLite and compatible databases
- Entity-relationship diagrams with intuitive user interface
- Reverse engineering of existing databases
- Generation of SQL scripts
- Schema synchronization features
- Creation of HTML reports
- Cross-platform compatibility: available for Windows, macOS, and Linux
FAQ
If you’re looking for a modern, clean, and efficient data modeling tool, Luna Modeler is a fantastic choice. It’s ideal for professionals who want a simplified modeling experience without sacrificing functionality.
ERWin Data Modeler is a comprehensive solution trusted by many users and large organizations. It offers deep feature sets that support enterprise-level database modeling. However, for users or teams seeking an alternative, Luna Modeler offers a compelling and affordable solution.
Download Luna Modeler for your preferred operating system – Windows, macOS or Linux.
While Luna Modeler focuses on essential modeling features, it covers almost everything most developers and data professionals need for effective and efficient data design.
Luna Modeler is designed as an offline-first desktop application. All your projects, diagrams, and database connection details are stored locally on your device. Your data never leaves your computer, so you remain in full control at all times.
Luna Modeler is designed to be simple, efficient, and accessible to a wide range of users. If your project requires advanced governance, enterprise metadata management, or integration into large-scale environments, you may want to explore enterprise-class tools such as ERWin Data Modeler.
Luna Modeler is designed for relational databases.
For NoSQL databases like MongoDB, try Moon Modeler.
Disclaimer: ERWin is a registered trademark of Quest Software or its affiliates. Ideamerit s.r.o. is not affiliated with, endorsed by, or sponsored by Quest Software. The mention of ERWin is for comparison and informational purposes only.