ERD Map
Visualize, explore, and interact with your Rails application's models and associations with ease
- Gem
- erd_map
- Repository
- makicamel/erd_map
- License
- MIT
- Stars
- 22
- Added
- August 11, 2026
About
Visualize, explore, and interact with your Rails application's models and associations with ease.
Ruby on Rails applications represent their concepts through models. However, since Rails applications often contain numerous models, understanding them can be difficult. ErdMap helps you comprehend your application by visualizing key models and their associations. It provides a clear starting point for understanding the architecture of your application. ErdMap initially displays the most "important" models. Then, You can "zoom in" to reveal the next important models interactively, much like navigating a map application.
What you get
- Navigation
- Wheel Mode: Toggle zooming with the mouse wheel
- Zoom In: Reveal more models
- Zoom Out: Display fewer models
Mounting it
# Gemfile
gem "erd_map"
# config/routes.rb
mount ErdMap::Engine, at: "/erd-map"
Details
22 stars on GitHub · MIT licensed · maintained by makicamel. Source: https://github.com/makicamel/erd_map
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