EnumeratedField is a library that provides some nice methods when a string column is used like an enumeration, meaning there is a list of allowable values for the string column.

Ruby client for ePay API. Supports manipulating transactions and subscriptions.

Errship is a Rails 3.1 engine for rendering error pages inside your layout. It supports i18n, custom exceptions, and Airbrake (Hoptoad) error tracking.

EVE ESI API wrapper

SDK for interacting with the ESP API.

This Gem allows you to send Etherscan get requests using native Ruby

Lightweight Ruby API for NCBI Eutils. This gem only provides API for NCBI Eutils. If you need full access to other NCBI databases, try BioRuby (bio gem) instead.

Generates HTML event calendars

Store exceptions in local datbase using Hoptoad API

A library for preloading test data in rails applications.

FactoryFaster makes your FactoryGirl tests faster.

A gem for the FamilySearch Platform. Documentation for the FamilySearch Platform can be found at https://familysearch.org/developers/.

Fast ActiveRecord Serializer

This is a gem version of the fast_context plugin

TAn implementation of a Floating Average Z-Score algorithmic method for use in identifying trends with historical data.

Filbunke client and library

"A gem that uses the Google Places API to find the Location of your machine and returns with the name of all places matching the search type"

ProxyMachine is a simple content aware (layer 7) TCP routing proxy written in Ruby with EventMachine.

I got sick of doing this test in interviews, so next time someone asks me to do so, I'm going to instead hand them a business card with a URL for this gem on it.

Cassandra output plugin for Fluent event collector