Rack middleware for automatically cleaning markup using Tidy

Rack Middleware for OAuth Authorization and Authentication via/twitter

Rack middleware for generating xapfiles that know about the DLR

Rack middleware for using consistent time in request.

Rack middleware to rewrite the links on both the request and the response.

Rack middleware for stubbing responses from HTTP web services

Simple Rack middleware which detect the request comes from smartphone

Little rack middleware to insert '<link href="http://example.org/text.html" rel="canonical" />' into all HTTP HTML responses for SEO reasons

WebDAV handler for Rack (dav4rack based)

Middleware that will insert a timestamp within the Rack environment.

Rackspace Cloud Monitoring Ruby Bindings, built on top of fog.

Use R in your Rack stack

IE standards headers for Rack

Rack session store for LevelDB

Trims whitespace from response bodies sent through rack.

Time traveling each request for rack applications.

Rack middleware that normalizes the domain of GET requests.

Rack integration for the Ougai logger.

Asset pipeline for ruby Rack

Proxy to a rack app in a seperate process.