GAL is a open-source, web-based ERP - business accounting software, written using the Ruby on Rails framework
Last released: version 0.10 (warning not compatible with rails 2.0)
The SVN repository contains the most recent code, compatible with rails 2.0
Project page (download, forums): http://sf.net/projects/gal
Demo: http://gal.railsplayground.com
Contacts: addsw.it@gmail.com