13th October 2011, 12:41 PM
This is not exactly Open Source, but it is an interesting free facility.....if you register on the ArcGIS website as an Esri Global User you get access to lots of ArcGIS free goodies including a source of worldwide downloadable vector maps...
http://www.arcgis.com
http://www.arcgis.com
With peace and consolation hath dismist, And calm of mind all passion spent...