RubyWeather is a library for interacting with weather.com's xoap service using the Ruby language. The library allows for fetching current weather conditions and forecasts for just about anywhere in the world using intuitive Ruby code.

OpenPGP.rb is a pure-Ruby implementation of the OpenPGP Message Format (RFC 4880).

RModBus - free implementation of ModBus protocol in pure Ruby,

a ruby gem that provides support for common development tasks,

Introduces group of classes in Ruby as eqivalent to some data types in other languages such as boolean and allows introspection according to type of class too. In fact, partially replaces multiple inheritance because introduces unlimited formal genericity for every class....

This Ruby package provides access to CUDA API.,

RubyOSA is a bridge that connects Ruby to the Apple Event Manager infrastructure, automatically populating the API according to the target application's scriptable definition.

Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions.

Currayon is a currency converter supporting jabber/twitter.,

Wrapper for Amazon's Simple Workflow Service,