Calculate the Italian Tax ID (Codice Fiscale)

Define simple "compositor" classes that represent your domain objects in terms of Hashes and Arrays, and then allows you to construct complex JSON API responses using compact DSL.

A speedy tool for combining and compressing your JavaScript, CoffeeScript, CSS and LESS source files.

A speedy tool for combining and compressing your JavaScript, CoffeeScript, CSS and LESS source files.

An easy way to interact with Estonian DigiDoc services.

Distillery extracts the "content" portion out of an HTML document. It applies heuristics based on element type, location, class/id name and other attributes to try and find the content part of the HTML document and return it.

Doubleshot will download dependencies on demand, compile your Java sources and let you spend most of your time in Ruby without having to juggle two different dependency management tools, different build tools and being forced to execute your code through Rake or Maven based tools.

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forward OS X file system events to a VM, designed for use with Dinghy

Command line utility for previewing Markdown files with Github styling

Async framework for writing API servers

Add AWS Signature 4 style authentication to grape API's.

Your home directory package management system

Indy is a log archaeology library that treats logs like data structures. Search standard or custom log formats by field and/or time.

Why make the browser load images that the user isn't going to see? This Rails engine prevents images from loading until they're actually going to be displayed. This saves bandwidth, reduces server load, and helps the user stay under their data quota.

A bloomfilter implementation in both Ruby and Javascript that can be serialised to and loaded from JSON. Very useful when needing to train a bloom filter in one language and using it in the other.

The CloudFormation Framework

A simple LRU-cache based on a hash and priority queue

LtiProvider is a mountable engine for handling the LTI launch and exposing LTI parameters in your rails app.

Masquito is a DNS masquerading server for rubists and their applications