An isolated knowledgebase system for Rails that is mountable inside applications.

An ActionMailer courier for Hertz.

An Intercom courier for Hertz.

A Twilio courier for Hertz.

Hide and restore nodes with ancestry gem

Support making static HTML files from records.

Quick 'n dirty histograms.

Provides HMAC authentication to your Rails controllers

A generic Rails Engine that all HS-* post type publisher apps build on top of.

A drop-in PubSubHubBub-compliant Rails Engine for easy hubbubing.

HumanDetector is a friendly logic captcha for Rails the doesn't require any external system dependency (e.g. external captcha API connections). It uses a simple question that any 7 or more years old human can understand, but that a spambot will not be able to answer. This Gem supports Ruby v1.9.2 and Rails 3.0.x.

Hydra-File-Access is a plugin Rails Engine containing the code for manipulating files in a Hydra application. The full hydra stack includes: Blacklight, Fedora, Solr, active-fedora, solrizer, and om

An awesome admin solution for Rails

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

Hyrax Preservation provides models for storing and searching for preservation metadata.

Description of I18nHelper.

Idioma is a gem for managing translations through an interface. Translations are saved in Postgres and can be persisted to Redis.

Provides secondary authentication by asking the user to select their chosen images

A rails engine to serve imageviewer js files easily and ubiquitiously

Imparavi wysiwyg editor for Rails 3.1+