Rack Middleware to reduce size of json payload - Allows clients consuming json apis to select attributes within payload

Rack middleware for checking if app is alive or not - optionally via custom condition(s).

A rack middleware that collects access statistics and saves them on a MongoDB database.

Rack middleware for limiting requests based on an parameter

Version your Rack based API's using headers either through middleware or routing constraints

A rack middleware that authenticates requests either using basic auth or via signed HMAC.

Rack Middleware for authenticating signed secrets from Slack (https://api.slack.com/docs/verifying-requests-from-slack)

Rack auth for Travis CI webhook requests!

Rack middleware to verify Travis CI webhook requests.

rack-banken is rack application for return error response.

Middleware for using RFC 6750 bearer auth in Rack apps

limit incoming requests

rack-bert-rpc is rack middleware that provides a BERT-RPC server implemenation for using BERT-RPC over HTTP

Automatically processes Zuul authorisation tokens on Rack apps

Blogengine based on rack applications

Rack Middleware for parsing request body without touching or mixing in request.params.

Block undesirable requests

Little rack middleware to insert '<link href="http://example.org/text.html" rel="canonical" />' into all HTTP HTML responses for SEO reasons

A Rack Middleware component to authenticate against a CAS server. I (shamefully) forgot to attribute this to https://github.com/garnieretienne/rubycas-client-sinatra. I had reached out to garnieretienne and he was no longer interested in his project. There is also rack-cas-client gem but that was too rails focused for me.

Rack middleware to concatenate yor assets (static, dynamic and remote). Use it to serve your javascripts and stylesheets faster!