Staticman build static pages, e.g. errors, about, contact, and it's very easy, fast, programable

Stepstepstep

Encrypted, database-backed session store for Rails.

Store the unique request id within a global state.

Route constrainer for Rails

Strappy includes generators and helpers to make Twitter Bootstrap 3.0 use simple in Rails 4

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

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

Middleware to reject/allow requests before allocating a database connection or any resources

Generate JSON+LD for Google Structured Data

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 subdomain of a generated URL (or path) will be changed if the requested route has a different subdomain to that of the current request. Model-based subdomain routes can also be defined.

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