This is a super simple access log middleware that can be used without any framework dependency

A Rack middleware for automatic e-mail addresses munging.

Rack Middleware to reduce size of json payload - Allows clients consuming json apis to select attributes within payload

Extends Rack with AI capabilities including request classification, content moderation, smart caching, and security features

Rack middleware for tracing object allocations in Ruby 2.1

Rack::AllowedHosts allows you to whitelist the hostnames allowed to serve the site. This is helpful to protect against Host Header Injection. See: https://acunetix.com/vulnerabilities/web/host-header-attack

A Rack middlware which reads from a Rails configuration variable, determining which hosts are allowed to connect to your Rails app.

An AMQP-HTTP ruby client

RackApiKey is a middleware that enables simple API key authentication

Rack middleware for limiting requests based on an parameter

Simple Rack Middleware for API Mock

Version your Rack based API's using headers either through middleware or routing constraints

Rack::App Twitter Bootstrap integration

Zurb Foundation For Rack::App Micro framework

Rack::App FrontEnd framework to create beautiful website with style

rack-app sequel integration for db migration and modelling

Middleware that sets app version in response header.

Rack::App framework background worker extension

A rack middleware that authenticates requests either using basic auth or via signed HMAC.

Middleware for handling Bearer type Authentication