petergoldstein

ammeter

A gem that allows for you to write specs for your Rails 3 generators

barby

The Ruby barcode generator

persistent_http

Persistent http connections using a connection pool

prawn-blank

PDF Forms with prawn!

prawn-manual_builder

rubanok

Parameters-based transformation DSL

ruby-bidi

Bidirectional text library by Amit Yaron

ruby-jose

JSON Object Signing and Encryption (JOSE) for Ruby

shoulda-context

Minitest & Test::Unit context framework

structured_warnings

This is an implementation of Daniel Berger's proposal of structured warnings for Ruby.

wolfram

Wolfram|Alpha client

wolfram-alpha

Wolfram|Alpha introduces a fundamentally new way to get knowledge and answers – not by searching the web, but by doing dynamic computations based on a vast collection of built-in data, algorithms, and methods.