Activemodel

shoulda-matchersRuby

RSpec and Minitest-compatible one-liner matchers for testing common Rails functionality like validations and associations.

elasticsearch-railsRuby

A suite of Ruby gems providing seamless Elasticsearch integration for ActiveModel/Record, Rails applications, and Ruby objects.

ReformRuby

A Ruby form object library that decouples forms from models, providing validation, nesting, and composition.

ActiveInteractionRuby

A service object framework for Rails that encapsulates business logic with input validation and type safety.

validates_timelinessRuby

A Rails plugin for comprehensive date, time, and datetime validation with timezone handling and custom format support.

ActiveAttrRuby

A Ruby gem providing ActiveModel-like functionality for plain Ruby objects, including attributes, typecasting, mass assignment, and serialization.

MailFormRuby

A Rails gem for sending emails directly from forms with built-in validations, I18n, attachments, and request information.

transitionsRuby

A Ruby state machine implementation extracted from ActiveModel, providing event-driven state transitions with callbacks.

activerecord-typedstoreRuby

Adds type definitions, validations, and default values to ActiveRecord::Store for structured JSON/HStore columns in Rails.

ActiveValidatorsRuby

A collection of pre-built, tested ActiveModel/ActiveRecord validators for common data formats like email, phone, and credit cards.

reform-railsRuby

Rails-specific support for Reform, automatically loading common form features and ActiveModel integration.