Is this a Joomla website?

Hello, Thank you for your question. Yes, the Support Center is built in Joomla. It has been custom modified by Brad our Joomla Guru:
You can easily install Joomla using Softaculous, with just a click or two. We also have a full Joomla Education Channel. If you have any further questions, feel free to post them below. Thank you, John-Paul