FME

http://www.safe.com

flex

http://www.adobe.com/products/flex/

openstreetmap

http://wiki.openstreetmap.org/wiki/OpenStreetMap_License

modestmaps

http://modestmaps.com/license.txt

proj4js

http://proj4js.org/

Geonames webservice for searching:

http://www.geonames.org/about.html