Paramoid is a gem that extends Rails Strong Parameters, allowing to declare complex params structures with a super cool DSL, supporting required params, default values, groups, arrays and more.

Parse Parameters with key mapping, transformation, and defaults.

Use whatever monitor service you would like to track strong parameter errors.

Gem for removing empty strings in arrays in params.

params_sanitizer sanitize parameter.It is really easy and useful.

Map query params to model scopes, pairing one or more keys to a scope. Parameters can be required, or whitelisted providing fine tuned control over how scopes are run.

Auto-submit Rails exceptions as new issues on GitHub

PatchPatch changes Rails’ default behavior of mapping PUT and PATCH requests on resources to the same action.

rewrite rails generate url and route.

Interact with the Gateway, 3DS, Kount, and FraudPortal

An easy way to add common finders to your Rails controllers.

Adds WSDL/SOAP and XML-RPC web service support to Action Pack

OAuth Core Ruby implementation

A Ruby on Rails authorization gem

Expandable object oriented authorization solution for Ruby/Rails applications

Persist your params in session so they are used the next time you call the same controller/action. Works with HasScope.

Personage lets your manage your user sessions.

Fake a Rails 3 site to a PHP site

Read/write php session file from Ruby on Rails

Identity and access management engine for Rails.