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

Him is an ORM that maps REST resources and collections to Ruby objects, designed for RESTful API-powered applications.

This simple wrapper enables you to acces the hockeyapp REST API through simple ruby calls. You are rquired to configure a valid token before doing anyhting else

Light-weight flexible structured list implementation.

Ruby interfaces for the Holodekk platform.

Hook Client for Ruby

Rails I18n: de-facto standard library for ActiveRecord 3 model/data translation.

Allow access to Hosted Solr API.

Interfaces with the HotelBeds SOAP API to book hotel rooms

An activemodel validator for hoyganness

Bus number, route, GPS coordiantes, early/ontime/late and more

Translate rails models attribute values just like attribute names.

Validations for Hydra applications, based on ActiveModel::Validations

HyperModel gives your HyperComponents CRUD access to your ActiveRecord models on the client, using the the standard ActiveRecord API. HyperModel also implements push notifications (via a number of possible technologies) so changes to records on the server are dynamically updated on all authorised...

An HTTP Client that can follow hypertext links.

A toolset for I18n handling

IbanValidation provides a simple ActiveModel::EachValidator for formally validating International Bank Account Numbers (IBAN). It is based on the IBANTools gem.

Validate IBAN numbers based on iban-tool

IBM Data Servers: {DB2 on i5/OS}

Icalia Foresight SDK/Client library for Ruby