A mountable Rack app that accepts chartkick-compatible data via URL params or JSON request body and returns either a server-rendered PNG (via Gruff) or an HTML page with a Chart.js chart suitable for iframe embedding.

Rack middleware to check HTTP request methods and reject ones you don't want

Insert a Chrome Frame install prompt for IE requests

Rack middleware to add chuck norris fact headers

Clean dirty cookies from Rack environment

Cleanse your racks

Rack middleware for test client behavior. It can test client request to your rack applications.

Set X-Forwarded-For header to original client IP when using Cloudflare in proxy mode

Rack middleware for handling Cloudflare remote IP headers

tools for managing multiple rackup processes

Rack Middleware for Code Highlighting. Supports the most popular Ruby code highlighters.

This Rack middleware component uses the CodeRay gem to automatically format code syntax by detecting a specific container in the final rendered markup.

combines assets to server 1 file

Rack application that displays current Git commit information.

rack middleware for writing access log to fluentd.

Opt in to the future!

Rack::Compress enables Zstd and Brotli compression on HTTP responses

Conditional wrapper for Rack middleware. This is a port of Plack::Middleware::Conditional.

A rack middleware to configure rack env.

Rack middleware rate limiter that provides both time-based limits and quantity-based limits