Take snapshots of websites. This is a Ruby/RubyCocoa port of the webkit2png.py script by Paul Hammond (http://www.paulhammond.org/webkit2png/) with some minor modifications - Generates a set of image files representing the thumbnail, clipped, and full-sized view of a web page in PNG format.

requires some messing around

Have a search motor built on the top of Solr, a highly customizable, scalable and well performing search engine. You are only few steps away from creating your own search motor.

learn more about songkick API at http://www.songkick.com/developer

SQL-like sorts on your Enumerables

Spawns processes using fork call, monitors them and other neat things.

Quickly generate skeletons for web design projects, mockups, etc. with your choice of frameworks.

Secures ActiveRecord fields with public key encryption.

A client library for spinderella (http://github.com/Sutto/spinderella)

Make dealing with execution of external processes easier.

Server Side Embeded Javascript in Ruby

Generates a static site from template files with YAML and Liquid. Stack supports template transformation through Markdown, Textile and Less CSS.

Simple Ruby Client for Star Search - http://github.com/maddox/star-search

Permanently caches subclasses of ActiveRecord in memory.

Fetch stock quotes. Build as a gem and command line tool.

Provide an OAuth, Basic HTTP authentication and plain interfaces to the StockTwits API.

Generates styles for cyt projects.

This gem allows you to create simple Ruby triggers for Subversion commit messages, responding to keywords in your log messages to send e-mails, deploy sites or do whatever you need.

A basic Ruby library for interfacing with the Sugestio (http://sugestio.com) recommendation service.

Ruby library for the Sunrise API and command-line upload tool