Your chosen CMS should just serve HTML content for Neon to playback on the Internet. KISS.
The Web is the perfect open medium to convey information about your product and services.
Neon supports the latest HTML5 developments so you can use <canvas>, <video> and caching developments to deliver the message network efficiently.
Did you write your own homepage? Then you could write your own Digital Sign!
Here is an example of a dashboard where you can bring in content from several Web pages.