riak-client is a rich client for Riak, the distributed database by Basho. It supports the full HTTP interface including storage operations, bucket configuration, link-walking and map-reduce.

API wrapper for Server Density

A simple gem to track the current status of London Underground services, it polls the TFL endpoint and will alert you if there is an issue, also provides a nice interface to TFL's tube data, still very beta, please give me a poke on github with suggestions and enhancements.

Simple wrapper class generator for consuming RESTful web services

A SimpleGeo Ruby Client

This gem sends sms via SMSGlobal's http api

Provides an interface to get shipping rates and transit time for Fedex, UPS, and USPS

The Shopify Admin API Console gem is a tool for accessing the Shopify Admin API from the terminal

Fork of travishaynes/shopify-mock This gem is used for testing Shopify apps without having to actually connect to Shopify to develop the application. You can use this gem explicitely for testing, or you can also use it in your development environment to speed things up when fiddling around in ...

Ruby implementation of the Signal API

Scrobble tracks to Last.fm without wanting to gnaw your own arm off.

Solr client for Ruby on Rails with as few features as possible.

Simple website monitoring.

A really easy interface to the Xurrency API. It's Ruby 1.8, 1.9 and JRuby compatible

A really easy interface to the Xurrency API. It's Ruby 1.8, 1.9 and JRuby compatible and has supoort for historical rates

A Sinatra extension for building Shopify Embedded Apps. Akin to the shopify_app gem but for Sinatra

command-line tool to validate the markup of a whole site against the W3C validator

Open-source Dropbox using Ruby and Git (my fork with github favoured markdown support).

wrapper for the twitter api (oauth only)

Sklik advertising PPC api for creating campaigns and updating them when they runs