What is CMNGSN and how does it function? CMNGSN is a software used for building and launching websites that are still under construction. It eliminates the need for complex integrations, such as installing analytics tools or subscribing to form integration. Users can quickly access subscription lists and analytics. The software offers a variety of template options for a professional and inviting website appearance. It also incorporates email marketing tools to enhance communication with subscribers. Additionally, it automates repetitive tasks, simplifying the process. Building a website with CMNGSN involves three simple steps: selecting a template, adding visible client data, and providing an active email address for notification when the website is ready.