any request in the rack layer, returns any json response(Content-Type: application/json) and http status.

Save data into your mongo collections through a rack app

A rack application working as an adapter for Mongoid

A rack application working as an adapter for Mongoid

A rack endpoint for adding subscribers to an email list

Helps analyse memory usage in your Rack apps

A Rack middleware to publish directries containing media files as podcast

Middleware that communicates impending shutdown to a load balancer via NACKing (negative acking) health checks. Provided you have at least two load-balanced instances, this allows you to shut down or restart an instance without dropping any requests. Your app needs to inform the middleware when...

Transparently secure your rack application with google. For test rigs etc.

Add a X-Robots-Tag: noindex header on a given condition.

Little rack middleware to insert '<meta name="robots" content="noindex"></head>' into all HTTPS HTML responses for SEO reasons

treat script tag in response.body when access with old mobile phone.

Rack Middleware for node manipulation.

Make /robots.txt block all robots

OAuth Echo authentication by a rack middleware

Logging per request memory usage with rack app.

A Gem for testing web applications don't generate mixed secure/insecure traffic. Keep that browser padlock locked!

Rack middleware to generate pages that can be served by a web server. Compatible with Rails page caching.

Store selected request parameters to cookies for use in future requests. Useful for affiliate, referral or promotion links.

Rack middlware to render single page apps (or any html page with javascript) with phantomjs and return plain html for bots.