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Entity-Relation Mapping Editor

A simple UI for editing entity-relation mapping diagrams.

How to Use

The interface and menus should be pretty self-explanatory, but here are some tips to get you started:

Click on a relation to select it.
You can CTRL + click to select multiple relations.
Drag the relations to move them around in the window.
Right-click on different areas to access context menus with some helpful actions.
When exporting the model to an image, be sure to add the desired image file extension (.png, .jpg, .bmp, etc.), or the application will default to .png.

Sample Exported Image

Here's a sample of an exported diagram.