Get IP and location data using freegeoip.net - can also calculate of distance between map points using haversine supporting multiple distance units

A ruby library for accessing the last.fm v2 webservices

Github Growl Watcher, watch any project and receive growl notification for updates, new watchers, forks and issues

Use this gem to access the Google Places Autocomplete API from your Ruby application

stupid simple fetching of the weather using google's api

Client library for GrooveHQ API.

Wrapper for the Groupon API

This gems helps you exporting your pictures from huaban.com.

Ruby gem for interacting with HipChat

a Ruby wrapper for the Hype Machine read-only API

Ruby gem for Iamport

Description of IshManager.

A suite of utilities for bringing continous integration to your projects (not the other way around) with jenkins CI

With this gem you can plug into the power and speed of Kraken.io Image Optimizer. https://kraken.io/

Ruby Wrapper around LeanKitKanban Api

ruby gem to communicate with new Basecamp API

The MailPace Rails Gem is a plug in for ActionMailer to send emails via MailPace to make sending emails from Rails apps super simple.

A simple REST client for the Marathon Remote API

Mastercoin wallet using QT bindings to create a useful gui wallet

Invalidate a specific set of files in your CloudFlare, AWS CloudFront, Rackspace, Fastly, or MaxCDN cache