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

Manage delta indexes via Sidekiq for Thinking Sphinx

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

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

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.

Validation groups for ActiveRecord

WatchTower helps you track how much time you spend on all of your projects.

This is a Rails plugin that extends Active Record with additional methods: .like, .unlike, .gt, .gte, .lt and .lte, so that you can replace the SQL strings like Post.where('comments > 5') with Post.where.gt(comments: 5)

Yabeda plugin for easy collection of ActiveRecord metrics: query performance, connection pool stats, etc.

Track and persist AASM state history

ActiveRecord::Base#count and other calculations as subqueries. Instead of nice Rails grouping calculation feature, \ uses subqueries to return the result with any complex query

Use the policy pattern to define access control mechanisms in Rails. Store user-level, group-level, or org-level permission on any given record or concept in the database with ultra-fast lookups.

Act-as-Buddy is a gem to allow any model to implement self relation. For eg: the friendships of a user can be implemented easily by self relation technique of act_as_buddy. Any Model can be buddied or lopped on to itself. Main uses would be for Users create friends etc.. Eg: User has many friends and friends are members of users table itself. This is expected to be heavily useful in social networking domain.

Add time_as_boolean feature to ActiveRecord classes

This plugin uses the conductor pattern to wrap multiple models as one object

ActiveConfiguration is an engine that exposes a generic settings store to ActiveRecord models. Made for very configurable applications, it allows you to avoid implementing specific ways to store settings for each model that needs such configuration. If your application isn't very configurable, ActiveConfiguration is probably overkill.

Store Rails validations as JSON to serve via api and drive complex validation logic.

Activecube is the library to make multi-dimensional queries to data.Cube, dimensions, metrics and selectors are defined in the Model, similary to ActiveRecord. Activecube uses Rails ActiveRecord in implementation. In particular, you have to define all tables, used in Activecube, as ActiveRecord tables.

Form validation for Rails with Dry-Validation