Hashie2 + ActiveModel 3, offering declared properties, validations, JSON serialization/deserialization

Modeling with Hashes made easy.

Make random unique identifiers with ease

Provides a way to convert from TZinfo time zone identifer to ActiveSupport TimeZone for your Rails application.

A tool for quick, interactive creation of ActiveModel objects via IRB

Provides powerful wrapper for service objects with error handling and transactions

Provides data class validation for active-model objects

Keep track of books read, progress, ratings, highlights, and notes.

Heimdallr aims to provide an easy to configure and efficient object- and field-level access control solution, reusing proven patterns from gems like CanCan and allowing one to manage permissions in a very fine-grained manner.

Ruby runtime environment for Hellobase

Custom Formtastic inputs

Validates Finnish personal identification numbers (henkilötunnus).

Her5 is an ORM that maps REST resources and collections to Ruby objects. THIS IS ONLY AN UPDATE TO MAKE HER (UNMAINTAINED) WORK WITH RAILS 5 I LOVE YOU

Things

Herr is an ORM that maps REST resources and collections to Ruby objects

Hiccup mixes a-la-cart recurrence features into your data structure. It doesn't dictate the data structure, just the interface.

Light-weight flexible structured list implementation.

Ruby interfaces for the Holodekk platform.

Hook Client for Ruby

Allow access to Hosted Solr API.