Any open source alternative for ESRI maps for office

Question

I am looking for an alternative for ESRI maps for office. I know it is very good product for analyzing data within MS office environment.

My requirement:

-I have few stores data contains location details.

-Trying to analyzing the trend on the map itself in the excel document +Statistical analysis

-Is there any tool/app in the Open office(or MS Office & going through EuroOffice tool but it looks like its paid extension)?

-Researching on Google.

Answer 1

The Caligra office suite has some mapping functionality, but not very mature I believe: See http://rockfordsone.blogspot.be/2011/08/marble-in-calligra.html

(Google has some stuff too, but not very open)