Comm100 Live Chat - Version 4.1 Free Comm100 Live Chat is the enterprise-grade live chat software for website. It is delivered as a FREE SaaS application and hosted by Comm100. Comm100 Live Chat allows your website visitors to chat with your customer support and sales representatives in real time and have their questions answered instantly.Comm100 Live Chat Visitor Monitor Desktop Client is released to satisfy different business needs. It works with all major operating systems including Windows, Linux, MAC, etc. Auto-installation and auto-upgrade are also supported.