Multi-Step is a Rails engine for easily creating multi step forms (i.e. form wizard)

nested_file

Core functionality for Noa

Developer module for Noa

odds

Payu (polish payment service) rails engine.

overapp

A simple fuzzy file finder written in Ruby

The gem is a collection of possible formatters for the pivotal_to_pdf gem

project_group

Protected is a gem for rails that gives you user authorization, administration, auditing in a mountable Engine

Qu::Delayed is basic sheduler for Qu queue system.

Quickening is a Rails gem for adding to your model a facility to query and manage duplicate records. It's been written to remain relatively abstract and adaptable to various models, and so the library should be an easy plugin for models you may have set up already (barring name clashes). ...

A template gem

An opinionated list of helpful testing tools for working with Ruby on Rails.

HMAC Validation for Rails.

Convenience methods for Rails views

choice

Gem to handle versioning and things that require approval

Revily command-line utility