Open up your API to the phenomenal OpenAPI ecosystem by exposing OpenAPI files, that describe your service, as JSON endpoints. More about the OpenAPI initiative here: http://spec.openapis.org/

General ruby templating with json, bson, xml and msgpack support

Simplify API integration testing with a succinct rspec DSL and generate OpenAPI specification files directly from your rspec tests. More about the OpenAPI initiative here: http://spec.openapis.org/

Simple, powerful, first-party analytics for Rails

FnordMetric is a Ruby Event-Tracking gem on steroids

Uses wkhtmltopdf to create PDFs using HTML

Maps controller filters to your resource scopes

Devise-Two-Factor is a minimalist extension to Devise which offers support for two-factor authentication through the TOTP scheme.

XML serialization for your Active Model objects and Active Record models - extracted from Rails

Makes spring watch files using the listen gem.

Extraction of the key_transform abilities of ActiveModelSerializers

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web. http://getbootstrap.com

Extracted from Grape, A Ruby framework for rapid API development with great conventions.

ActiveSupport::Cache::Store adapter for Flipper

Haml-rails provides Haml generators for Rails 5. It also enables Haml as the templating engine for you, so you don't have to screw around in your own application.rb when your Gemfile already clearly indicated what templating engine you have installed. Hurrah.

Route path helpers for Grape

Seed Fu is an attempt to once and for all solve the problem of inserting and maintaining seed data in a database. It uses a variety of techniques gathered from various places around the web and combines them to create what is hopefully the most robust seed data system around.

Shrine is a toolkit for file attachments in Ruby applications. It supports uploading, downloading, processing and deleting IO objects, backed by various storage engines. It uses efficient streaming for low memory usage. Shrine comes with a high-level interface for attaching uploaded files to database records, saving their location and metadata to a database column, and tying them to record's lifecycle. It natively supports background jobs and direct uploads for fully asynchronous user experience.

Run shell commands safely, even with user-supplied values

Watir stands for Web Application Testing In Ruby It facilitates the writing of automated tests by mimicing the behavior of a user interacting with a website.