dbLinkUp: ACT! and QuickBooks Integration Link Add-onDownload your free trial at http://www.dblinkup.com/ dbLinkUp by RDA Enterprises allows your ACT! users to see accounting information from QuickBooks. - Increases productivity by allowing ACT! users to view QuickBooks information which they are granted access to. - Does not require QuickBooks to be installed on ACT! Client workstations. - Multiple levels of security to allow either Read Only or Updating of data.