Rack middleware that generates and validates paid lightning invoices

Rack middleware for ensuring only proper hosts get passed to your application

Modified Rack::StaticCache to work better with rack-zippy

A simple rack middleware to slowdown response

Rack middleware to add chuck norris fact headers

Rack::Downtime provides a variety of ways to easily trigger and display planned maintenance notifications to users while a site is still up. Various strategies are provided that will work with sites of all sizes.

Rack middleware implementing an IP whitelist of HTTP verbs.

Place this in your rack stack and all caching will be gone.

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

A simple rack middleware that add charset to the response. Useful when the Browser cannot tell about your website that it use utf-8 or latin1 as charset for the html code

Zurb Foundation For Rack::App Micro framework

Rack middleware for declaratively setting the HTTP ContentSecurityPolicy (W3C CSP Level 2/3) security header to help prevent against XSS and other browser based attacks.

A Rack middleware that transforms async requests (using thin + async_sinatra for example) into synchronous requests. Useful for testing Async Sinatra apps with a minimum of changes in your testing environment.

Middleware that provides both file extension and HTTP_ACCEPT-type content negotiation for Rack applications

A very simple rack captcha middleware via captchator.com API

Rack middleware for Pygments use in environments you cannot install Pygments directly (e.g., Heroku).

Rack Based Locale Selector

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

rack middleware to handle request from cname proxy

A rack middleware to show gray-scaled favicon on development