It provides functions as find, find_by_alias, get, exists?, validate, save etc.

RedisBucket is a gem that acts as an api engine which mounts automattically into the rails application on installation.

Rails 4 Redis session store for ActionPack with JSON serialization

Redis Store for Rack applications

redmine_api_helper contains methods to ease handling Redmine API calls

Redis session store for rack applications. This was inspired by the Rack::Session::Memcached session store.

Rack middleware replacement for joshsusser/refraction

HTTPI provides a common interface for Ruby HTTP libraries.

Registrar standardizes Authentication Responses through Rack Middleware and works well with common authentication mechanisms like OmniAuth.

regurgitator is a GPL-licensed library and Rack middleware for serving files stored in MogileFS. It can be embedded inside any existing Rack application or be used as a standalone Rack app.

A threaded and preforked rack app server written in pure ruby

A Rack-based Web Framework, but with extra awesome.

Classy web-development dressed in a DSL

Securely store environment variables away from your application

If your nginx is responsible for HSTS and you want to remove headers that were added by Rails this solution is for you

Render sections of the page asynchronously after initial page load.

The super-friendly rack helpers.

The super-friendly web framework rendering component.

The super-friendly web framework session component.

Repertoire Assets javascript and css distribution framework