A Ruby client for the Rexpense REST API: http://developers.rexpense.com

Google Cloud Messaging

Ruby adapter for Riak. It gives you access to both jiak & raw interfaces.

Riaktor is a Ruby client and object mapper for Riak (http://riak.basho.com/). It's brand new and probably has bugs, but feel free to try it out.

Rightnow API Ruby wrapper

API for Functions, Queues, KV, Storage, Cron, and Scheduler.

A rokka client for ruby.

Role and permission

Client API for the Routemaster event bus

Track packages through the RR Donnelley API

A command line client for rstat.us

RuAUR is a Ruby gem that allows searching and installing packages from the Pacman sync database as well as the Arch User Repository (AUR).

CLI for running UI tests on AppThwack.com

This gem provides a server that can handle communication from medical instruments that send/receive information on the ASTM protocol.

RubyHue is a library for interacting with Hue light bulbs from Phillips.

API client for activemodel instances

Fast ruby link checker.

Extensions for Ruby HTTP stacks to send custom headers on HTTPS CONNECT to a proxy and read headers from the proxy CONNECT response (e.g. X-ProxyMesh-IP).

Ruby gem to easily access TransmitSMS RESTful APIs

The Department of Transportation maintains the SaferBusAPI to provide safety information pertaining to transporation companies.