Mars 01th, 2026,
We’re excited to announce the launch of the Free Edition of ERBuilder, our powerful data modeling tool used by data architects, developers, and database professionals worldwide. With this new free version, anyone can now start designing high-quality data models with a professional-grade tool at no cost.
Why a Free Version?
Data modeling is essential for building reliable, scalable databases. Yet many developers and students still rely on outdated or limited tools. Our goal with the Free Edition is simple:
👉 make professional data modeling accessible to everyone
👉 help teams adopt ERBuilder easily
👉 allow users to experience its core power before upgrading Whether you're a student, developer, or architect, you can now design real-world data models using ERBuilder.
What You Can Do with ERBuilder Free
The Free Edition includes the essential capabilities required to design and understand relational databases.
Visual Data Modeling
Design entity-relationship diagrams using professional notations such as IDEF1X, Crow’s Foot, Codasyl, and relational notation.
You can define tables, columns, relationships, keys, indexes, views, procedures, and triggers visually in an intuitive diagram environment.
Generative AI for ER Diagrams
ERBuilder Free includes built-in generative AI capabilities that allow you to automatically create ER diagrams from plain-language descriptions or requirements.
Simply describe your system, and ERBuilder generates the data model structure for you.
You can also update an existing model using natural-language instructions.
Database Modeling Made Easy
ERBuilder is designed to be both powerful and easy to use, helping developers design, analyze, and optimize relational schemas visually.
The tool supports major databases including MySQL, PostgreSQL, Oracle, SQL Server, and more.
When to Upgrade
As your needs grow, ERBuilder Professional and Enterprise editions unlock advanced capabilities such as:
- Model validation with test data
- Database synchronization
- Advanced model exploration
- Git collaboration
- Unlimited test data generation
These features support enterprise-scale modeling workflows and team collaboration.
About ERBuilder
ERBuilder is a complete visual data modeling environment that enables teams to design, validate, document, and generate relational databases through intuitive ER diagrams and automation features.
