rack middleware to expose leafy metrics/health data as well a ping rack and a thread-dump rack

Rack application monitoring with StatsD: reports key performance metrics for apps served via Rack (throughput, response times, error rates, etc).

Obscenity is a profanity filter gem for Ruby/Rubinius, Rails (through ActiveModel), and Rack middleware

`pitchfork` is a preforking HTTP server for Rack applications designed to minimize memory usage by maximizing Copy-on-Write performance.

UI for viewing logs in Rack

Rack compatible HTTP router for Ruby and Hanami

Rack middleware to remove invalid UTF8 characters from web requests.

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

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

Complete, fast and testable actions for Rack and Hanami

dommy-rack lets a Rack application (including Rails) be visited and manipulated as a Dommy::Document without launching a real browser. It provides a small, synchronous, browser-like session API with navigation, cookies, redirects, link clicking, and form submission.

Rack Middleware to inject Google Tag Manager code snippet into server html responses for rack based applications

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

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

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

crashdesk-rack is the Rack gem for integration with crashde.sk servers

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

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

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