Transactify gem can run your methods in database transaction. Previously you had to wrap you code in `ActiveRecord::Base.transaction do .. end` but now it can be done in much more simpler way.

Keeps the timestamps for all models created or updated in at transaction the same

Define transient tables and Active Record models for testing purposes.

Automatically translate ActiveRecord columns using a second model containing the translations.

Triggers/automations engine

Trims all database logging of BLOBS

Manage delta indexes via Sidekiq for Thinking Sphinx

Typed serialize makes sure your serialized attribute is always the specified type.

A Rake task investigates the application's models definition, then tells you unique validations that do not have DB indexes.

A simple, localizable EachValidator for URL fields in ActiveRecord 3.0.

This gem provides additional scopes for your Active:Record models within Ruby on Rails framework.

A bunch of useful modules to work with time/size constants/hashes

Rails ActiveModel gem to access Usergrid / Apigee App Services

Generates username suggestions for users

user_preference is a small library for setting and getting categorized user preferences. Supports both binary and multivalue preferences and default values.

Helps using uuid everywhere in routes instead of id for ActiveRecord models.

Allows you to easily format and validate phone numbers in any format you desire (sensible defaults provided).

Checks for valid hostname labels

A captcha verification approach for Rails apps, directly integrated into ActiveRecord’s validation mechanism and providing helpers for ActionController and ActionView.

Rails plugin that provides a validates_url_format_of method to ActiveRecord models. URLs are validated by regexp.