You can manage Your Wunderlist Data with Ruby

A library to provide a more Ruby-like interface to the Xapian search engine.

XcodeProject is the Ruby API for working with Xcode project files

Better instrumentation/logging utility for Rails

Ruby interface for Xvfb. It allows you to create a headless display straight from Ruby code, hiding some low-level action.

A ruby wrapper to the Yahoo! Weather feed with i18n support.

The Ruby standard library defines YAML.safe_load and YAML.load_stream but there's no way to safely load a multi document stream. This Gem adds YAML.safe_load_stream.

Yandex.Inflect webservice client (Russian language inflection)

Create settings/contants for your Rails 3 app using yml key/value pairs

Yummy implementation of enum that gives integer values with a special wrapping.

Official Ruby client for the YNAB API. API documentation available at https://api.ynab.com. Generated from server specification version 1.85.0.

Filter and search using an expressive, user defined, query language

Zaif API wrapper for monacoin/bitcoin trade.

A library for generating QR Codes for the e-invoice standard by ZATCA in Saudi Arabia.

Print labels using EPL2 and Ruby

Support to help you develop Zendesk Apps.

A Ruby client for Zerobounce.net.

Interface to Zimbra management API

A Ruby gem for manipulating JP postal codes.

DEPRECATED! Please use the sugar refinery: http://github.com/janlelis/sugar_refinery