Generally, Presto Add-Ons allow you to work with less traditional information sources, such as spreadsheet documents, or to publish Presto mashups and apps to mobile devices or portals such as Microsoft SharePoint or Liferay for end user access. Add-Ons provide additional connectivity and integration.

The Presto Add-Ons that support additional information sources or act as an alternate destination for Presto artifacts are shown in the following diagram: