Rack::Ermahgerd is a simple Rack middleware that translates the content of a web page into Ermahgerd-ish

Rack middleware to log request errors and respond with standard message

Simple Rack Middleware catching exceptions and rendering the error page of your choice

Racket is a small MVC framework built on top of rack.

Detect robots that are ignoring your robots.txt file and give them the middle finger

Rack middleware implementing an IP whitelist of HTTP verbs.

Rack middleware to handle events on file modifications

A simple, lightweight Rack middleware to verify Firebase tokens.

fix the content type of form uploads by using the file-utility. A lot of browsers screw up the content type so we don't trust the given value in the header.

2nd Flash hash implementation for Rack apps.

Rack::FlashSession converts a session query parameter to a cookie if the request's user agent is flash. http://github.com/bartt/rack-flash-session

Rack::FlashSession converts a session query parameter to a cookie if the request's user agent is flash. http://github.com/bartt/rack-flash-session

Block Google's FLoC on your site through Rack middleware

Tells Google not to impose Federated Learning of Cohorts (FLoC) on users

Wraps Rack::Static by adding useful headers to serve web fonts.

Rack middleware to insert text comments into pages. First created to be used with jlong's serve, but should work with pretty much every rack app

Rack middleware for forcing status codes on responses.

rack-for_now is a Rack middleware component that redirects project URLs to GitHub, Rubygems and other online service. It allows you to use your domain as the permanent URL of your project while still using these handy 3rd-party services.

Forward requests

Middleware which lets you to execute arbitrary code just for a certain fraction of requests