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

Adds validations, function creation, function delegation, and key restrictions to arrays and hashes so that they may function similarly to Structs

A cut down fork of the Id gem developed at On The Beach Ltd.

Structured event logging interface

A structured logger with Ruby's Logger interface.

Flattens hash-array structures by removing redundant information.

An instrumentation utility.

Deterministically stub out calls to ActiveResource web services.

stuff_arc - adds class level archiving/unarchiving to ActiveRecord::Base children

Provides component-scoped CSS encapsulation using [data-capsule] attributes for Phlex components, ViewComponent components, and ERB templates. Styles are automatically scoped to prevent leakage between components. Inspired by component-based CSS approaches like Angular's view encapsulation and CSS modules. Works with Rails and can be used standalone in other Ruby frameworks (Sinatra, Hanami, etc.) or plain Ruby scripts.

Inline CSS style rules into style attributes of each HTML element.

Simple SDL library description

style_train builds CSS using pure Ruby, not a DSL interpreted via Ruby. This allows inheritance, modules, instance level calculations and all the goodness Ruby can offer.

Vector library

Make all attributes of an AR-model accessible to some roles

Subby is a command-line tool for substituting string case variations.

Option parser for subcommands

Small utility to add a delay to a SRT subtitle file

Instrumentation for Subexec commands using ActiveSupport::Notifications