Free entity-relationship modelling software

Businesses need correct and reliable data to make decisions. Counting on such data can result in losses. Data modeling comes as a savior here. A data modeling tool can create a data model to store the data in a database. These tools can use diagrams to create a database so that you can get the structure that you require. There are many free and open source data modeling tools out there.

It comes with rich, neat, and pre-made shapes that make it easy to complete jobs. The drag-and-drop feature makes the tool user-friendly. The shapes are vector-based, which makes it possible to redesign them. The modeling tool comes with a bunch of advanced and automated functions that make customization easy.

This free tool has some paid packages as well for users who want more. Edraw Max has several entity relationship shapes, view, relationship, entity, parent to category, category to child, category, dynamic connector, strong entity, line connector, strong relationship, attribute, weak relationship, etc. In case you have trouble, you can count on the brilliant wizard that provides step-by-step instructions on how to make a database.

One of the highlights of this data modeling tool is the collaboration feature that allows team members to work on a project simultaneously. With Visual Paradigm, you will be able to build reports. Plus, unlike some other tools out there, it works on almost all operating systems including Linux, macOS, and Windows. Few free tools offer the kind of flexibility that this one does.

And Holistics has an in-built relationship diagram that helps you map relationships between tables and models. Start a free day with Holistics now! No credit card required. In your inbox. Every week. Learn more. No drawing required. Just export a CSV file from your database and SmartDraw will visualize your database structure for you.

Learn more about generating ERDs from data. Quick-Start Templates Dozens of professionally-designed ERD examples and other software design diagrams make you instantly productive. Simply choose the entity relationship diagram that is most similar to your project, and customize it to suit your needs.

Free Support Have a question? Call or email us. SmartDraw experts are standing by ready to help, for free! Effortless Collaboration. Smart Integration. ER Diagram Examples.