middleware reporting requests to Ackee, self-hosted analytics tool for those who care about privacy. Alternative to using the client-side JS tracker.

a small, simple framework for generating Rack responses

A Rack middleware for cleaning ActiveRecord connection when raised Exception.

Rack middleware for serving alternate content on a given day

A Rack middleware for automatic e-mail addresses munging.

Rack middleware for checking if app is alive or not - optionally via custom condition(s).

A rack middleware that collects access statistics and saves them on a MongoDB database.

Provides a simple API to serve a file at a given path with a specific status code.

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::Archive::Zip::Extract serves files in zip archives.

Asynchronously send requests to another system

Middleware that allows you to verify a request against an identity provider

The rack-auth-cheat library provides a Rack middleware interface which authenticates any request with a matching username and password. This is useful in development environments, especially as a way to stub out an external authentication system. Be sure to include this from an environment-specific file such as config/environments/development.rb rather than from a global configuration file such as config/environment.rb

The rack-auth-cookie library provides a Rack middleware interface for authenticating users using a cookie

rack-auth-gitlabapi : provide GitLab API authentication for Rack middleware

rack-auth-ldap : provide LDAP authentication for Rack middelware

Rack::Auth::Request provides ngx_http_auth_request_module like authorization interface. `auth_request` directive

Rack Middleware for authenticating signed secrets from Slack (https://api.slack.com/docs/verifying-requests-from-slack)