A fast, asynchronous, rack-compatible web server.

Apartment allows Rack applications to deal with database multitenancy through ActiveRecord

Airbrake Ruby is a plain Ruby notifier for Airbrake (https://airbrake.io), the leading exception reporting service. Airbrake Ruby provides minimalist API that enables the ability to send any Ruby exception to the Airbrake dashboard. The library is extremely lightweight and it perfectly suits plai...

Rack based split testing framework

Rack::UTF8Sanitizer is a Rack middleware which cleans up invalid UTF8 characters in request URI and headers.

Rack::SslEnforcer is a simple Rack middleware to enforce ssl connections

Rack middleware for rate-limiting incoming HTTP requests.

Rackspace provider gem for Fog

Debugging toolbar for Rack applications implemented as middleware

Rack middleware to measure production code usage (LOC runtime usage)

Rack middleware that provides access to rack.session environment

Simple CAS authentication for Rails, Sinatra or any Rack-based site

Middleware for profiling Rack-compatible apps using perftools.rb

Rack-based console inside your web applications

Serve pjax responses through rack middleware

Debugging toolbar for Rack applications implemented as middleware. Based on logical-insight and rack-bug.

# Rack::ReadOnly This gem allows Rack based APIs to be set to read only. At the most basic it can be used like this from your `config.ru`: ```ruby require 'rack/read_only' use Rack::ReadOnly, { active: ENV["READ_ONLY"] == "1", response_body: '{ "error": "This API is currently in read only ...

Helpers for the rack-jquery, rack-jquery_ui, and rack-jquery_ui-themes libraries.

Serve is a small Rack-based web server that makes it easy to serve ERB or HAML from any directory. Serve is an ideal tool for building HTML prototypes of Rails applications. Serve can also handle SASS, Textile, and Markdown if the appropriate gems are installed.

Don’t fool around with adding tracking partials to your app and concentrate on the things that matter.