Rat Hole is a handy library for creating a rack compliant http proxy that allows you to modify the request from the user and the response from the server.

Easy file sharing with rack

'Razor is a static website generator. Describe layouts and pages in ruby. Write them with html and Mustache. The concept behind razor is simple : layouts are described by classes, nested layouts by subclasses and pages by instances of these classes.'

RazyK is a LazyK implementetion by pure ruby.

RComet implement the Bayeux protocole to allow you to create client and/or Comet's server.

Implements a Linked Data Platform domain model, Rack middleware for server implementers, and a simple Sinatra-based server for RDF.rb

RDKit is a simple toolkit to write Redis-like, single-threaded multiplexing-IO server.

The official library for communicating with the Reach REST API

A rack application daemon that creates an iCal subscription file from exchange calendars.

An exception-based web framework for Ruby.

Entry point of the as a service plateform

To generate a test result of documents in HTML format automatically

Redgit is gem for commit-msg git hook redmine integration. Run redgit in git reposirory folder.

This gem adds functionality to shorten url's and gather data about requests going through it.

Redirect is a simple Ruby redirect DSL build on Rack. It's like a simple Ruby mod_rewrite, so you can write and test your redirects in Ruby.

Redirect server with dynamic URL and hostname support

It provides functions as find, find_by_alias, get, exists?, validate, save etc.

RedisBucket is a gem that acts as an api engine which mounts automattically into the rails application on installation.

Rails 4 Redis session store for ActionPack with JSON serialization

redmine_api_helper contains methods to ease handling Redmine API calls