This gem creates a scope for unread objects and adds methods to mark objects as read

ActiveRecord::JSONValidator makes it easy to validate JSON attributes with a JSON schema.

APN on Rails is a Ruby on Rails gem that allows you to easily add Apple Push Notification (iPhone) support to your Rails application.

Asciidoctor diagramming extension

Bring your own LUA scripts into redis.

This gem can be useful, if you need to upload files to your API from mobile devises.

Test your Rails Engines without needing a full Rails app

CouchRest provides a simple interface on top of CouchDB's RESTful HTTP API, as well as including some utility scripts for managing views and attachments.

easy_translate is a wrapper for the google translate API that makes sense programatically, and implements API keys

Add a badge overlay to your app icon

Foundation on Sass/Compass

A Rubyesque interface to Gmail, with all the tools you will need. Search, read and send multipart emails; archive, mark as read/unread, delete emails; and manage labels.

Compile Haml CoffeeScript templates in the Rails asset pipeline.

ISO8601 is a simple implementation in Ruby of the ISO 8601 (Data elements and interchange formats - Information interchange - Representation of dates and times) standard.

A LinkedIn OAuth2 strategy for OmniAuth.

A type information generator, merger and parser for Sorbet and Ruby 3/Steep

RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.

Provides enum-like fields for ActiveRecord, ActiveModel and Mongoid models.

Socialization allows any model to Follow and/or Like any other model. This is accomplished through a double polymorphic relationship on the Follow and Like models. But you don't need to know that since all the complexity is hidden from you.

Provides a quick mechanism to visualize your EC2 security groups in multiple formats