Storing configuration in the environment is one of the tenets of a twelve-factor app. However, problems arise when required environment variables aren't set.

Elasticity provides a higher level abstraction on top of [elasticsearch-ruby](https://github.com/elasticsearch/elasticsearch-ruby) gem

Make your Ruby objects searchable with Elasticsearch.

Uses EXPLAIN to get an estimate count for an ActiveRecord::Relation

Europe is a simple library for retrieving EU government data such as VAT information, VAT validation, currency exchange rates and country information.

Postgres event store for use with EventSourcery

Easy to use client for event-sources applications written in ruby

Makes it easy to work with EveryPolitician's Popolo output files from Ruby

[ruby译]地球坐标系 (WGS-84) 到火星坐标系 (GCJ-02) 的转换算法.

Excon, with Hypermedia traversing baked in.

Measure execution time in Rails console

Love Ember? Love Rails? Want end-to-end tests? You're found the right place!

ExpressAdmin is the admin menu framework used by appexpress.io, ExpressBlog, etc.

Wrapper around interacting with APIs

A gem that helps you generate your factory files.

Easily generate fake data: names, addresses, phone numbers, etc.

Faker extension providing japanese names

FakerMaker is a simple factory builder so you can throw away your fixtures and generate test data instead.

Gem For Stubbing Smith in tests

Delightful localization of .storyboard and .xib files, right within Interface Builder. Fame makes it easy to enable specific Interface Builder elements to be translated and exported to localizable .strings files.