Microplace

A microfinance investing site that allows anyone (in the US) to loan small amounts of money to entrepreneurs in developing nations — Created in Rails by Josh Susser and eBay team

 
ZiYa

Rails plugin to embed charts in your Rails applications. — by Fernand Galiana

 
Rails Live CD

Ruby, Rails, MySQL and friends, a big helping of gems, and more on a bootable CD. — by Brian Ketelsen

 
Fat Wreck Chords Site

Fat Wreck Chords is a site and online store for a San Francisco record label. — by Hunter Hillegas

 
Cloud9

Frequent Flyer program for Island Air built utilizing Rails. — by Soren Burkhart

 
RightCart

RightCart is a Web 2.0 Shopping Widget that brings the store to users' content. Look for them at your local blog or favorite content site. — by Jonathan Siegel and Dylan Stamat

 
Helium Knowledge

On Helium, you can find and share valuable information on a wide variety of topics that have been contributed and ranked by its users. — by Mark Bates

 
Notre Dame Forum

On this site, the live webcast area is using RJS and such to capture live notes taken by viewers and update live photos from Flickr without interrupting the stream of the video. The site takes advantage of Rails page caching and has a small admin area which updates the various sections of the site. — by John Nunemaker

 
GoLoco

Where ridesharing and social networking come together. — by Mike Mangino

 
Team Snap Site

TeamSnap is an application designed to manage the operations of youth and adult sports teams. It can handle rosters, scheduling, payments, even who's bringing refreshments. — by H. Wade Minter

 
Academic Technologies

This is the homepage of the Academic Technologies department at George Washington Univ using Rails along with TinyMCE to create a simple content management system. — by Chris Selmer

 
bonpabon site

bonpabon.com is a reddit/digg style website for links related to Haiti. — by Luc Castera