Palo for Excel is free, open source software.
Palo works with small and medium-sized companies.
Palo for Excel is open source business intelligence software that aids you in the areas of planning, analysis, and reporting. The product comes as a simple Excel extension application and grants you the same features of Palo OLAP, such as a multidimensional database, data write-back functions, and data modeling. When using Palo for Excel, all of the actions take place within the familiar Excel UI.
Palo is owned by Jedox AG and provides an open source BI software suite. The company has been in business since 2007 and additionally offers global support and training programs.