Ubercart

Ubercart is a shopping cart system born in late September of 2006. Development started on the beta version of Drupal 5.x and has been going strong ever since. Ubercart has a few design goals that we're been pursuing and will continue to pursue as the code matures:
Ubercart should...
- be easy to configure (initial store setup)
- make it easy to start selling things (simple product catalog building)
- make it easy to process orders (simplifying the day to day tasks)
Ubercart is aggressively pursuing a low barrier to entry by simplifying as many store and order management forms and pages as possible. The team is here to have fun and get as many people as involved as possible!
To help us meet our goals, we have setup our own community website at http://www.ubercart.org. We wanted to host the modules here at Drupal.org, but we needed much more flexibility in the way we do support, bug tracking, documentation, and community development. You can find extensive development discussion and support in the forums at Ubercart.org.
We invite you to join in the fun!
Download: http://drupal.org/project/ubercart
Homepage: http://www.ubercart.org
Documentation: http://www.ubercart.org/docs
Forums: http://www.ubercart.org/forum
Contributions: http://www.ubercart.org/contrib
Live sites: http://www.ubercart.org/site

Downloadable demo
FYI - A downloadable demonstration for creating an online store using ubercart: http://chingrimaachh.com.au/blogs/neemie/2007-aug-18-drupal-demo-online-...