Thin's asynchronous API available to any Rack server.

Rack middleware to output the state of your request/response headers

Extends the Ruby standard library XMLRPC::BasicServer, providing the Rack compatible XMLRPC::RackServer.

Middleware for using RFC 6750 bearer auth in Rack apps

Rack middleware generator

rack middleware for writing access log to fluentd.

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.

LESS CSS preprocessing for Rack apps.

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

Rack::Html5 sets custom headers for each HTML5 feature the browser supports.

Rack::JsonLogs is a gem that helps log sanely in production.

If you're running a javascript single-page-app with html5 routing, you may notice that deep links will 404 unless your web front-end is configured to rewrite all non-asset paths to index.html. If you'd like to achieve t...

A very simple rack captcha middleware via captchator.com API

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

A convenient way to create Rack middlewares.

rack middleware to handle request from cname proxy

A rack middleware to show gray-scaled favicon on development

Rack middleware for interfacing with the Cachely page caching service.

A middleware to process wrong encoded URLs in Rack applications.