RSence is the default server for rsnc.js, a browser-based GUI framework.,

Video processing and computer vision library for GNU/Linux offering interfaces to do image- and video-I/O with ImageMagick/Magick++, Xine, firewire digital camera (DC1394), and video for linux (V4L). Port to MS Windows is underway.

What is Artigo?
Artigo (Portuguese for Article) is a blog engine written in Ruby running on the Rails web platform.

Watir Robot is a remote library of keywords for functional web testing, designed to be used with Robot Framework, a generic, keyword-driven automated testing framework.

RingyDingy is a little boat that keeps your DRb service afloat!,

Ruby Java Bridge,

A Rails engine to help integrate the 37signals WysiHat rich text editor to your application.

The RubySVG is a Ruby module based on the REXML to help the creation and handle of SVG (Scalable Vector Graphics) images. It provide full DOM support and cool graphical methods to made easy draw edition with code.

Sketches allows you to create and edit Ruby code from the comfort of your editor, while having it safely reloaded in IRB whenever changes to the code are saved.

This is Pankaj Doharey's CV written using ruby and "prawn",