# Entity relation diagram from Models

**URL:** <https://www.ruby-forum.com/t/entity-relation-diagram-from-models/174936>\
**Category:** Rails\
**Created:** [September 4, 2009, 10:58am UTC](https://www.ruby-forum.com/t/entity-relation-diagram-from-models/174936 "2009-09-04T10:58:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![spitfire](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/a5b964/32.png) [@spitfire](https://www.ruby-forum.com/u/spitfire)\
**Post date:** [September 4, 2009, 10:58am UTC](https://www.ruby-forum.com/t/entity-relation-diagram-from-models/174936/1 "2009-09-04T10:58:37Z")

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Hi,  
Do you know some tool (I hope open source) to create Entity Relation  
diagram from rails Models ?  
It would be nice !

thank you,  
Alessandro

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<div class="post-metadata">

**Author:** ![spitfire](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/a5b964/32.png) [@spitfire](https://www.ruby-forum.com/u/spitfire)\
**Post date:** [September 4, 2009, 11:04am UTC](https://www.ruby-forum.com/t/entity-relation-diagram-from-models/174936/2 "2009-09-04T11:04:51Z")

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On Sep 4, 4:58 am, Ale Ds [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> Hi,  
> Do you know some tool (I hope open source) to create Entity Relation  
> diagram from rails Models ?  
> It would be nice !

> **[GitHub - nelsonsilva/yUMLmeRails: Use yUML to generate Rails diagrams using...](https://github.com/nelsonsilva/yUMLmeRails/tree/master)**
>
> master

[http://railroad.rubyforge.org/](http://railroad.rubyforge.org/)

> <https://stackoverflow.com/questions/481618/generating-an-image-of-a-database-schema-used-in-a-rails-app>