HashTree that has a Hash-like interface and stores data into blocks

Use the Money gem and ActiveRecord's composed_of to store fields wich contains currency data in a safe and clean way.

Simple yet customizable token generator for Rails 3

Wrapper for hate_crimes api

Gets information about stuff.

Outlier Detection with One-class SVM

Gem to process data from data.stortinget.no

A Ruby gem for building applications with the Helium API

Extensible help module.

Hensel makes it easy to build the breadcrumbs.

Hera, an elegant and easy to use static web site architecture.

Take advantage of [Heroku One Off Dynos](https://devcenter.heroku.com/articles/one-off-dynos) to run tasks, for example on a larger dyno.

Allows to reboot a physical server hosted at Hetzner into a minimal FreeBSD recscue environment taht is based on mfsBSD.

Tries to guess what values hiera will return for any existing node in your infrastructure

Spy on your ruby objects and send their activity to a hijacker server anywhere through DRb

A Hindenburg Journalist parser

ORM

Hippo is a framework for writing single page web applications. It's a full stack framework that contains both server and client.

Quick 'n dirty histograms.

A File like class that supports versioning by date and has a fallback to older files