A simple plugin that automatically generates a key for a model on create. It takes care of protecting the key, automatically generating it and making sure it is unique.

Barebones acts_as_list

Originally a Rails 2 plugin, this Gem ports that functionality to newer Rails versions.

Add a bag to a Rails model

Handles flags/booleans in a Rails model instance

Simple Rack middleware for adding custom HTTP headers.

Aether Observatory provides an event broadcast system.

Ahnnotate comments on your ActiveRecord models with their respective schemas!

Sort schema.rb alphabetically to prevent conflicts

A gem that makes anonymising data easier.

Ruby on Rails View Helpers for any icon collections that have github repository available.

Gem of https://github.com/rails/strong_parameters/pull/231

Abstractions to help author API wrappers in Ruby.

Helpers for creating standard web API for Rails or Grape with ActiveRecord.

A Ruby implementation of Apollo GraphQL Studio tracing

AppIdentity is a Ruby implementation of the Kinetic Commerce application identity proof algorithm as described in its [spec][].

Improving introspection and testability of raw SQL queries in Rails This gem improves introspection and testability of raw SQL queries in Rails by: - ...providing a separate query-folder and easy instantiation A query like `AppQuery[:some_query]` is read from app/queries/some_query.sql. - .....

Appraisal file DSL for generating a matrix of gemfiles.

apress-documentation

The gem is supposed to contain validators that can be used across multiple projects.