rndr is a tool that simply renders Ruby erb templates for use with other applications.

A NES emulator written in Ruby.

newick utilities

Biblioteca para integração com as várias implementações municipais de Nota Fiscal de Serviços eletrônica (NFS-e) que utilizam uma das versões ou variações dos padrões [ABRASF](http://www.abrasf.org.br/paginas_multiplas_detalhes.php?cod_pagina=1).

nlp with ruby

Daily running reports. Send daily year-to-date running totals

A library for creating and validating electronic signatures, with builtin KeyPair management and Rails integration.

Exception catcher

r_notify is a notification library using drb.

Ruby Gem for Oracle RightNow REST interface, was available with version 15.05 (May 2015). Use this gem to list, create, and delete RightNow organizations, contacts and incdents.

Support rnp's OpenPGP functionality via ruby-ffi. Requires librnp.so.

Rails gem providing view helpers, ERB directives, and configuration for integrating rnxJS reactive components into Rails applications

Roadblock provides a simple interface for checking if a ruby object has the authority to interact with another object. The most obvious example being if the current user in your rails controller can read/write the object they're attempting to access.

Provides details on the most recent reviews from Roadfood.com.

External web testing

A live reload command line tool written in ruby.

RoadRunnr API Wrapper

Roadsign is a simple library for generating routes.rb documentation.

Ruby gem that allows you to view Lonley Planet's travel destinations and experiences. There are 10 destinations along with 6 different experiences for each destination.

Roar provides object-oriented representers to define nested REST API documents which can be rendered and parsed. Roar-contrib adds some useful extensions.