Rack middleware for signed encrypted session cookie. It's fully compatible with Rack::Session::Cookie, not only safe but also easy to use

Rack routing middleware supporting rack apps as actions, and parameterized paths

Rack::Probe provides a set of probes for Rack that fire with each request.

Xapian::Rack provides indexing and searching integration with Rack.

The Rack::Builder extracted from Rack

Rack::Hanoi helps you to solve Hanoi's Tower question using your browser. It can be used as a Rack middleware.

Luban::Rack is a Luban deployment application to manage Rack based web application deployment and control

regurgitator is a GPL-licensed library and Rack middleware for serving files stored in MogileFS. It can be embedded inside any existing Rack application or be used as a standalone Rack app.

passenger-rails-server overrides the Rack::Handler.default method to return Rack::Handler::Passenger which will cause rack (and rails) to use passenger by default.

Rack::Cache uses PATH_INFO to calculate the cache-url. Lighttpd sets this wrong. This Rack middleware fixes that

Rack Iphone is use for auto login for web app from iphone when activated from home screen shortcut. The Gem is Inspired by work of Jim Hoskins gem rack_iphone_web_app

Rack::Ext::Direct it's an implementation of Ext.Direct specification draft for Rack and a ruby client for making remoting calls.

BookingSync-Rack-P3p is rack middleware for inserting P3P headers into apps. This will allow your application to serve cookies to IE when in an iframe. It will also pull off the cookie on 304 responses, since IE does not like the cookie then.

Serves an ElasticGraph application using Rack.

Makes middleware that ships with Rack bullet-proof for async responses.

RestClient on steroids ! Easily add one or more Rack middleware around RestClient to add functionalities such as transparent caching (Rack::Cache), transparent logging, etc.

Rack::Debug adds a middlerware interface to ruby-debug http://github.com/github/rack-debug

Rack compatible HTTP router for Ruby

This library allows you to recognize and build URLs in a Rack application.

Websocket interface on Rack Hijack w/ Rails support