Use strip_attributes to make empty parameters to be nils and forget about ".present?"

access control for rails controller/action

Whitelist and typecheck your parameters at the controller level

Permitted and required parameters for Action Pack

It allows move params permissions from controllers to separated permission-objects

strong_presenter adds a layer of presentation logic to your application, and gives you strong_parameters-like logic to determine which attributes are visible

Think factory girl for strong parameters

Generate JSON+LD for Google Structured Data

StructuredParams allows you to validate pass parameter.

A subdomain rewriting middleware for your Rails 4 app

SubdomainRoutes add subdomain conditions to the Rails routing system. Routes may be restricted to one or many specified subdomains. An URL will be recognised only if the host subdomain matches the subdomain specified in the route. Route generation is also enhanced, so that the s...

C implementation of IPv4, IPv6 address and network parser with fast determination of IP membership within a given subnet.

Simple SEO meta tag helper that offers customization and internationalization.

Middlewares to aid in building powerful JSON API applications.

Useful rails generators

Transform surveyor responses into an alternate structure

This gem simplify the route generation which generates via `polymorphic_url` method

OAuth Core Ruby implementation (this fork has em-http-request support, included until the main release includes the patch)

Swagger UI wrapper

Rack validation middleware using Swagger