Rack::HttpEnforcer is a simple Rack middleware to enforce http connections

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

Restricts requests to specific IP addresses and ranges for specified paths

Live broadcast on app showing fire and blood everywhere? Image hosting site flooded with pornography? Or some other urgent reason to take your app offline in a hurry? rack-killswitch to the rescue.

Make your website faster by deferring loading of images.

A rack middleware to log each HTTP request onto a MongoDB collection

A rack middleware to cache requests in static files, a la Rails' page_cache

Web page speed optimizations at the Rack level - fork

Matriser l'acces a vos applications

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

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

Spellcheck your text entry with TinyMCE and Rack SpellChecker

A gem that provides a rack middleware to interract with Superfeedr's API.

Connects your rack app to Takana (http://www.usetakana.com) so you can live edit stylesheets within a Rails app

Mark Tor users using rack, for filtering / throttling / etc

A rack middleware that allows you to define and document tracking pixels in one location

Use Hevents (https://github.com/yarmand/hevents) to create JS init function for Rails controllers and views. Provide helper to setup handlers in your Rails code

Wrapper for radamsa - a mutation based file format fuzzer

Some basics that your application could benefit from.

RadiusRB, a ruby RADIUS client library that supports: Authentication, Accounting, Custom dictionaries and Vendor Specific Attributes.