e-commerce

Apache OFBiz (http://ofbiz.apache.org) is one of the leading open source ERP / e-commerce projects. This howto would cover the initial setup steps

Best place to get started
http://docs.ofbiz.org/display/OFBADMIN/Demo+and+Test+Setup+Guide

However, before you start following the guide you would need a few things such as JDK, SVN and ANT. If you don't know how to set these up follow the rest of the howto.

Installing JDK  read more »