Rack-Rscript is a light-weight alternative to Sinatra-Rscript.

Rack Side Include helps you assemble pages like Edge Side Include (ESI) using ERB tags.

A rack middleware to sync files using rsync.

A simple Rack middleware to post X-Runtime to GrowthForecast

SAML middleware for Rack (using ruby-saml)

Rack middleware for SassC which process sass/scss files when in development environment.

Automatically generate RESTful CRUD services

Validate rack responses against schema named in the Link header

Rack middleware for simple question and answer authorization.

Quickly inject static file lists into served HTML.

Redirect http to https and the other way around

Secure request.referer for preventing XSS

Rack Middleware to inject Segment javascript into your Rack app.

Remove or add www and trailing slash from urls for Rack applications. Use it if you can not edit Nginx or Apache configs.

Server-Timing headers for Rack applications

Rack middleware for API Version-specific Component Service redirection.

a better cookie session store for rack.

A rack-based session store on sdbm/gdbm. you can use this gem in smaller projects.

Rack middleware that persists session data in an encrypted cookie

A rack-based session store on plain file system.