Ariane is a flexible breadcrumb system for Rails. It is fully compatible with the Twitter Bootstrap and can be adapted to any kind of output.

An Open Source ActiveRecord replacement over REST

ActiveRecord Object Instrumenter: Instrument the creation of ActiveRecord objects

These RSpec matchers allow guarding against N+1 queries by specifying exactly how many queries you expect each of your ActiveRecord models to perform.

Asass.com Ruby API Wrapper

Aspen is a simple markup language that renders into Cypher. Write narrative data, mark it up, and compile to Cypher.

A gem to test JSON strings.

An abstraction layer around arbitrary and diverse asset stores.

Associate multiple models together and make them behave as one.

Ruby client library for the Asterisk REST Interface (ARI).

Add attributes to Ruby objects

Rails view helper for scaffolding show/index pages for objects

Authem provides a simple solution for email-based authentication

Adds MFA Support to AWS CLI and Ruby SDKs for normal IAM user

AXElements is a UI automation library built on top of various OS X frameworks. You can use AXElements to write functional tests for Cocoa apps, script UI interactions, or even to build higher level tools such as screen readers.

Client library for the Nulab's Backlog API version 2 written in Ruby.

URL-friendly, Base32-encoded UUIDs for Rails models

Gem for work with BEM methodology in Rails applications

Sharable benchmarks

A lightweight wrapper for the Betfair Exchange API-NG