rspec-rails is a testing framework for Rails 5+.

Kaminari is a Scope & Engine based, clean, powerful, agnostic, customizable and sophisticated paginator for Rails 4+

CocoaPods manages library dependencies for your Xcode project. You specify the dependencies for your project in one easy text file. CocoaPods resolves dependencies between libraries, fetches source code for the dependencies, and creates and maintains an Xcode workspace to build your project. Ultimately, the goal is to improve discoverability of, and engagement in, third party open-source libraries, by creating a more centralized ecosystem.

factory_girl provides a framework and DSL for defining and using factories - less error-prone, more explicit, and all-around easier to work with than fixtures.

Easy upload management for ActiveRecord

This gem is used by GitHub to render any fancy markup such as Markdown, Textile, Org-Mode, etc. Fork it and add your own!

Upload files in your Ruby applications, map them to a range of ORMs, store them on different backends.

Create JSON structures via a Builder-style DSL

Shoulda Matchers provides RSpec- and Minitest-compatible one-liners to test common Rails functionality that, if written by hand, would be much longer, more complex, and error-prone.

A Ruby framework for rapid API development with great conventions.

Easy upload management for ActiveRecord

Latest version of paperclip merged with width/height additions in kennon fork.

Easy upload management for ActiveRecord

Easy upload management for ActiveRecord

Easy upload management for ActiveRecord

Use webpack to manage app-like JavaScript modules in Rails

help to kill N+1 queries and unused eager loading.

Ruby API for Elasticsearch. See the `elasticsearch` gem for full integration.

Active Merchant is a simple payment abstraction library used in and sponsored by Shopify. It is written by Tobias Luetke, Cody Fauser, and contributors. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user to offer a consistent interface across all supported gateways.

Object oriented authorization for Rails applications