Retina Rails makes your application use high-resolution images by default. It automatically optimizes uploaded images (CarrierWave or Paperclip) for retina displays by making them twice the size and reducing the quality.

A simple DSL to generate QuickBooks IIF file

Integrates ruby-prof with RSpec, allowing you to easily profile your RSpec examples.

Ruby wrapper to Riot Games API. Maps results to full blown ruby objects.

Ruby library to access the Apple Dev Center and iTunes Connect

Provides a simple and intuitive interface for the Movie Database API making use of OpenStruct.

Toggl v8 API wrapper (See https://github.com/toggl/toggl_api_docs)

Toggl v8 API wrapper (See https://github.com/toggl/toggl_api_docs)

Add support to search through (potentially large) belongs_to associations in your Administrate dashboards.

UI interface for rails-settings-cached in active admin

ActiveModel extension with support for ActiveRecord-like Attributes API

api-versions helps manage your Rails app API endpoints.

Attributes for plain old Ruby objects. No dependencies, only simplicity and clearness.

Ruby Library and Command Line tools for bagit

Syncs CHANGELOG entries to GitHub's release notes

Randomly generate distinct colors with consistent lightness and saturation

Gems main responsibility is to provide service for copying Carrierwave files between records

Find out how your customers are paying

Upload screenshots, metadata and your app to the App Store using a single command

Support authentication via OAuth2 tokens dispensed from the Doorkeeper authorization flow