In the unlikely event you are using HappyMapper, and the more unlikely event you need to find changes between two HappyMapper objects, HappyMapper::Differ might help you. HappyMapper::Differ takes two HappyMapper objects and compares all the attributes and elements. It modf...

A very, very simple Ruby background job library, that does not have many features, and almost works.

A ruby wrapper for Harvest v2 API http://www.getharvest.com/api

Rails gem to allow models to save auto calculated fields

Encrypted attributes for Rails models.

Declarative Hash Caster

A utilitarian lib to extract data from complex Hashes using String path with recursions

Hashed access to in-memory records with ActiveRecord like interface

Provides an assertion to test for hashes equality.

Hashformer provides a simple, Ruby Hash-based way of transforming data from one format to another. It's vaguely like XSLT, but way less complicated and way more Ruby.

Wrappers for terraform and packer

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

Removes, digests or encrypts selected values in a ruby hash

Deletes recursively every key-value pair from hash for which block evaluates to true.

A little lib which maps original keys to the new ones and more

This gem provides schema building blocks that can be used to define complicated hash structures, which can then be used to validate hashes that are created by loading json or yml files.

Hashtag parser inspired by https://github.com/tonsser/hashtag-rs/ Given a string, this gem returns an array with an object with `text`, `start` and `end`. Its goal is to match Instagram's parsing of hashtags.

A rails gem that prevents duplicate inserts when using the has_many :through relationship in your models.

Generate random tokens (or use your own) for any ActiveRecord model. Hashes and salts the token before storage in the database using the same methodology as has_secure_password.

has_validated_attributes is a Ruby on Rails gem that lets you validate your fields.