Track changes to your models, for auditing or versioning. See how a model looked at any stage in its lifecycle, revert it to any version, or restore it after it has been destroyed.

A plugin for RuboCop code style enforcing & linting tool. It includes Rubocop configuration used at Airbnb and a few custom rules that have cause internal issues at Airbnb but are not supported by core Rubocop.

GitLab style guides and shared style configs.

This gem provides common Dangerfile and plugins for GitLab projects.

Rails REST API documentation tool

Search Engine Optimization (SEO) plugin for Ruby on Rails applications.

GitLab experimentation library.

Cucumber Generator and Runtime for Rails

The push notification service for Ruby.

Utilities and tools we need to develop Decidim

Print stack trace of all DB queries to the Rails log. Helpful to find where queries are being executed in your application.

An enterprise security extension for devise.

Blacklight is an open source Solr user interface discovery platform. You can use Blacklight to enable searching and browsing of your collections. Blacklight uses the Apache Solr search engine to search full text and/or metadata.

Code style checking for GitHub Ruby repositories

Render MJML + ERb template views in Rails

Omakase Ruby styling for Rails

This gem configures Rails for CloudFlare so that request.ip and request.remote_ip and work correctly.

Your Rails console, 1984 style

OAuth 2.0 Device Authorization Grant extension for Doorkeeper.

Adds zipcode validation methods to ActiveModel considering different country zipcode formats.