I got another head's up, this time from Marco at Groeneveld Management Services, about another open source OLAP application at www.palo.net, below is the Overview from their website: Palo Overview Are you working with big Excel workbooks that are difficult to maintain because of their size? Then Palo is for you. Palo is an advanced data store for Microsoft Excel that allows you to handle large amounts of Excel data on a small number of worksheets. In addition, it also allows you to share Excel data ......