Ditto

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

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

Somewhat more radical filters designed to decimate malicious requests during a denial-of-service (DoS) attack by chopping their connection well before your Rack app wastes any significant resources on them – ouch! The filters have been proven to work against certain DoS attacks, however, they might also block IPs behind proxies or VPNs. Make sure you have understood how the filters are triggered and consider this middleware a last resort only to be enabled during an attack.

Rack middleware for Discord Interaction validation.

Per-domain filter for Rack.

A middleware to process wrong encoded URLs in Rack applications.

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

Racket Registry is an easy-to-use container lib for most of your dependency injection container needs.

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

Simple Rack middleware for implementing gauges tracking in your Ruby-Rack based project. Code blatantly stolen from https://github.com/leehambley/rack-google-analytics.

Load gists in the background. KTHXBYE!

Use or don't use Rack apps based on a variety of environment factors.

Restricts requests to specific IP addresses and ranges for specified paths

Rack Middleware for inserting Lettering.js style syntax into a response body

A template gem

Use your Rack application on AWS Lambda.

Provides a more HTTPish API around the ruby-openid2 library

Exposes a PHP Session (read-only) to Rack applications

Pretty JSON for pretty people