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

Similar to globalize, but uses PostgreSQL's JSONB to store data in a single field. No additional tables required. A very thin abstraction.

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

Triggers/automations engine

Labels records with TypeSafe Jev when they are saved, stores the answers as numbers your database filters and sorts, turns queries into label filters and boosts, and streams a Jev rerank on explicit action.

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.

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

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.

Collection of geographic data for the United States for use with ActiveRecord

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

Keep your code DRY by inferring column validations from table properties! Automagically validate presence, length, numericality, inclusion and uniqueness of ActiveRecord backed columns.

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

This library helps validate attributes to specific types in the same way that ActiveModel valiations work. Able to chain additional modifiers to each validation.

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