The Rails application that powers OpenStreetMap
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Updated
Nov 30, 2025 - Ruby
Ruby on Rails (Rails) is a web application framework written in Ruby. It is meant to help simplify the building of complex websites.
The Rails application that powers OpenStreetMap
RSpec cheatsheet & Rails app: Learn how to expertly test Rails apps from a model codebase
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A gem for Rails to automatically search Google for exceptions raised in your Rails applications
Spotlight enables librarians, curators, and others who are responsible for digital collections to create attractive, feature-rich websites that highlight these collections.
The site behind https://software.opensuse.org. It is the default web interface to download openSUSE distributions and to search for OBS packages. Packaged at https://build.opensuse.org/project/show/openSUSE:infrastructure:software.opensuse.org
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How fast is your code? See it directly in Rails console.
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Get to API building quickly
Created by David Heinemeier Hansson
Released December 13 2005