Allows you to test whether your database schema matches the validations in your ActiveRecord models.'

Rescues from ActionDispatch::ParamsParser and continues in middleware stack

Flexible Filtering for ActiveRecord

Generate scope methods to ActiveRecord classes based on columns and associations

Allows for quick serialization/deserialization of objects for moving between environments.

Simply and customizable navigation in the Ruby on Rails 3 application. Predefined bootstrap renderers

separate_history is a Ruby on Rails gem that adds automatic versioning to ActiveRecord models. It stores versioned records in dedicated _histories tables for each model.

Provides a simple way to seed and synchronize table data using CSV files

OpenTracing instrumentation for Sequel.

This gem provides the railtie that allows Sequel to hook into Rails as an alternative or supplement to ActiveRecord.

Helpers to serialize data into ActiveRecord models as JSON and returning a Hashie::Mash

Serializer is a Ruby on Rails tool for adding accessor to serialized attributes with support for types and defaults.

Serialized Preferences for your models

Web UI for Servactory

Not only does it let you code complicated business logic easier, but it also helps you keep controllers well-readable and models loose-coupled to each other.

ServicePattern for Ruby on Rails.

Settings management for Ruby on Rails applications (with ActiveRecord)

Using CIE L*a*b* and kdtrees, take a color (from LESS, SCSS, or other inputs) and find the nearest shade of color from a given palette

Adds a feature to whitelist certain shops to access your shopify_app installation

We miss the respond_with_content_type matcher in shoulda-matchers.