No, there is no online demo because this product doesn't actually exist anymore. According to Wikipedia, the software dates back to 1990 and there haven't been any updates since then. However, the official website is linking to AzureForce which it appears they're the new developers and you might find Meeting Maker embedded into their new product.
Use the following page to obtain an inquiry: http://www.asuresoftware.com/about-us/contact-us/
