Rack middleware which together with Passenger implements funky caching.

In early 2011 Facebook started to send all application requests as POST. This middleware converts POST requests back to GET when applicable.

A Rack middleware for simple 404 and 500 status handling

A Controller middleware that is euh… basic. I would say it is a sort of Ramaze for kids

The purpose of this Rack Middleware is to provide an API that interfaces with database actions in order to build a CMS.

A Rack middleware for form-based authentication. Aim is a compromise between fonctionality, beauty and customization.

Rack middleware for Windows (Http.sys).

Makes it easy to manage and document tracking pixels on different pages and areas by keeping them all in a central location.

For websites that are open 9 till 5

This is a small piece of Rack middleware that will append a message to your HTML warning a user that they need to enable JavaScript in order to properly view your site if JavaScript is disabled or blocked by that user.