For mashups, you can Publish Mashup Results as Native SharePoint Lists or Publish Mashup Results as External SharePoint Lists instead.

In addition to adding mashups or apps to Web Part Pages in SharePoint, you can also use information in SharePoint lists in MashZone NextGen as a mashable information. To use list information in MashZone NextGen, see Register a SharePoint List as a MashZone NextGen Mashable.