Check validity of EU VATID using vatid.eu (free)

A library to calculate vat based on order data

Create/start/stop/reboot/modify dozens of VirtualBox VMS with one short command.

A dependency injection framework based in PicoContainer.

execute arbitrary code (like {raise RestClient::RequestTimeout}) the moment vcr tries to access certain configurable uri('s)

Generate HTML5 slides

Cartesian and spherical geometry using vectors

Instant auth/authz engine for Velir Identity client apps

Provides a barebones, but supremely quick way of querying your ActiveRecord database.

Extends the standard library Set object, adding methods for cartesian products, power sets, and complements

Ruby based CLI for accessing veracode's api

Use Veritas relations with an RDBMS

Optimizes veritas relations

Generate SQL from a veritas relation

VersatileRJS: Enables RJS with Rails(3.1 or higher) and jQuery.

Integrating with git-flow for versioning and heroku for deployment, this makes releasing to staging and production a one-line command

Command line utility to manage Noah configurations

A simple command line interface to the JBoss HornetQ RESTful API

From 0 to development in ~20 mins

We've taken the rubycas-client and added some enterprisey features and improved compatibility with JASIG's CAS server