Service objects.

This gem serves as the basis for the interface between a Ruby (Rails) application and a provider of transcoding services such as Opencast Matterhorn, Zencoder, and Amazon Elastic Transcoder.

An extension for Active Model to encourage implementing entity.

XML and RDF datastreams for ActiveFedora

The gem allows you to query InfluxDB with Flux syntax in an ORM fashion.

Clean up your controller, slim up your models, handle more use cases

Groonga provides both of full text search and column store features. ActiveGroonga + Groonga can be used as an alternative of ActiveRecord + RDB.

ORM and Query DSL for ClickHouse

Simple use case interactor for Rails apps based on ActiveModel

A library for creating Active Models that can serialize/deserialize to JSON. This includes full support for validation and change detection through nested models. You can write polymorphic models or arrays of models and get full support for natural serialization. Active JSON Model can optionally be combined with Active Record to create nested child models via JSON/JSONB columns.

Subscribing to single responsibility principility ActiveLayer aims to provide a layer of context over top a model.

Declares attribute for Active Model objects

Expand _changed? method. Enable to specify changed attribute value

Validates a specific attribute on ActiveModel, ActiveRecord

A base64 validator for Rails 3 and 4.

A behavior validator for Rails 3 and 4.

A Rails validator based on CanCan.

ActiveModelChangeset provides a lightweight changeset abstraction for Ruby on Rails applications. It combines type casting, attribute normalization, validation and diff calculation into a single object, enabling safe and explicit create/update operations with patch semantics. The gem is designed for service objects and APIs, allowing developers to whitelist attributes, apply transformations, validate input and update models using only changed values, without relying on ActiveRecord callbacks or controllers.

Provides coercions for ActiveModel objects

CSV Validator for Active Model