This is a gem for using ActiveRecord more explicitly.

Exportable will help you in exporting ActiveRecord models in to different output formats including CSV, XLS etc.

A simple gem for export data to other format

Easy exposition of has_one associations at the object level, to avoid nesting.

Extend behavior of attributes of your active record models.

Render any text as markdown, with code highlighting, url detection and conversion of youtube/vimeo urls into embedded videos

A Rails gem that provides a clean way to associate external IDs from third-party systems with your ActiveRecord models using polymorphic associations.

Allows your models and collections to generate the JSON structure expected by Ext JS 4-compatible frontends.

Fine grained after_commit callbacks for ActiveRecord observers

A simple alternative to acts_as_eav_model. Use JSON to store extra attrubutes.

Provides parameterized modules for fast ILIKE searching and brief scope selection on ActiveRecord models.

Automatically generate model files from database.

Fabrial makes it easy to follow the "Arrange, Act, Assert" pattern in your tests. It makes it trivial to create your test data directly inline with your tests; removing the need for hard-to-maintain fixture files or blueprints.

Faceted search DSL for ActiveRecord using SQL features

Command pattern for Ruby

FactDb implements the Event Clock concept - capturing organizational reasoning through temporal facts with validity periods (valid_at/invalid_at), entity resolution, and audit trails back to source content. Built on PostgreSQL with pgvector support for semantic search.

The factory_bot_caching gem provides a caching mechanism for Factory Bot/Factory Girl to significantly reduce test suite runtimes in factory heavy test suites.

A Gem that generate FactoryBot's Factory file from exsiting Hash, OpenStruct or Models.

factory_burgers provides a UI and some tooling to allow manual testing the abilit to use all of your factories.

A Rails gem that allows you to easily export factory data to CSV and Excel formats using your existing factories