Tips and Tricks

• Some Open Source eCommerce solutions (mostly PHP based): http://en.wikipedia.org/wiki/List_of_free_and_open_source_eCommerce_software
• A list of Open Source Software in Java : http://java-source.net/
• Some Java based popular Open Source eCommerce solutions:
  1. OfBiz (much more than just an eCommerce) - http://ofbiz.apache.org/
  2. Broadleafcommerce - http://www.broadleafcommerce.org/
  3. KonaKart - http://www.konakart.com/
  4. JadaSite - http://www.jadasite.com/