Solve the Towers of Hanoi by counting in base 2 or 3

Audit gem for Ruby on Rails projects

Reroute /first or /last to the endpoint for the model's first or last instance.

For streamlining and automating time and invoice management in Harvest.

Generate simple/complex/readable tokens in Rails models

Using `has_cache` in your classes provides a `cached` method that allows automatic caching of the result of a method that is normally available on the class, or an instance of the class. It mitigates the hassle of creating and tracking keys as you would with the standard Cache Store interface, by inferring keys from the location `cached` is invoked.

Create an SHA256 fingerprint of a hash or array.

Rails engine to facilitate inline text hashtags.

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

A thin client that wraps the Localwiki API.

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.