A place where they make custom objects for your tests specifically.
A form builder for ActionView.
Simple plugin to generate a formatter decorator for ActiveRecord attributes.
Create image assets at runtime in any color when used as mask and/or at any resolution when it’s a PDF.
A clone of the font selector found in Apple’s iOS Pages app.
A set of Objective-C helpers that assist in querying a iOS/OS X UI.
A perceptual image difference matcher for Kiwi.
A paginated iOS UIWebView controller with simple interactivity support.
Very simple generators meant for Fingertips' development style.
Hail is a simple tool to sync Git and Subversion repositories.
Library for iDEAL payments
Surely also lazy developers like to showcase their jewelry portfolio (libraries) on their GitHub pages.
The Ruby documentation browser for Mac OS X
Utility to visualize project progress by keeping track of code changes and such.
Simple formatter which supports a few Markdown syntax elements
Miner finds the hottest upcoming Rubygems
Miso is a unified API for simple image operations commonly used on the web.
A Ruby gem to send SMS text messages via the Mollie.nl SMS gateway.
Nap is a really simple REST library.
A module for compiling Obj-C classes into bundles so you can test them from Ruby.
Tiny wrapper around FasterCSV to create CSV which is read properly by Microsoft Office.
Oja is a Ruby client for verification of Apple Store Receipts.
Rails plugin to make testing Rails on test/spec easier.
A Mac OS X preference pane for easily configuring Rails applications with Passenger.
Concurrent spec framework