ActiveRecord Tableless Models provides a simple mixin for creating models that are not bound to the database. This approach is useful for taking advantage of the features of ActiveRecord such as validation, relationships, etc.

This gem adds possibility to access http response object from result of ActiveResource::Base find method

Dead simple snapshot versioning for ActiveRecord models and associations.

A recommendation engine for Rails.

acts_as_xlsx lets you turn any ActiveRecord::Base inheriting class into an excel spreadsheet. It can be added to any finder method or scope chain and can use localized column and sheet names with I18n.

Command-line AirPlay video client for Apple TV

A scientific conversion library

Write specs for your Rails 3+ generators

A Sinatra-like DSL for Reel that supports websockets and SSE

Ruby implementation of the SMPP protocol, based on EventMachine. SMPP is a protocol that allows ordinary people outside the mobile network to exchange SMS messages directly with mobile operators.

Architect is a JavaScript library built on top of Web Workers that will handle and polyfill HTML Web Workers.

Programmable Ruby interface for FFMPEG/Libav

A Ruby library to destroy your AVI files.

The AWS Lambda Ruby Runtime Interface Client implements the Lambda programming model for Ruby.

axe-matchers provides matchers that wrap the axe-core accessibility library. The matchers can be used with RSpec, Cucumber and other test tools. Cucumber step definitions are also provided.

SwappingController and CompositeView for Backbone.js

BBCode for Ruby

Allows running Beaker tests using Docker

Fully-featured accurate benchmark driver for Ruby

Gattica is a easy to use Ruby Gem for getting data from the Google Analytics API. It supports metrics, dimensions, sort, filters, goals, and segments. It can handle accounts with 1000+ profiles, and can return data in CSV, Hash, or JSON