This JC-J.NET website uses Joomla. As quoted by Joomla.org, here are just a few examples of websites that use Joomla:

• United Nations (Governmental organization) - www.unric.org
• MTV Networks Quizilla (Social networking) - www.quizilla.com
• L.A. Weekly (Online publication) - www.laweekly.com
• IHOP (Restaurant chain) - www.ihop.com
• Harvard University (Educational) - gsas.harvard.edu
• Citibank (Financial institution intranet) - Not publicly accessible
• The Green Maven (Eco-resources) - www.greenmaven.com
• Outdoor Photographer (Magazine) - www.outdoorphotographer.com
• PlayShakespeare.com (Cultural) - www.playshakespeare.com
• Senso Interiors (Furniture design) - www.sensointeriors.co.za

More examples can be found in the Joomla Site Showcase Forum.