GeoCoders

OSM Gazetteer

http://gazetteer.openstreetmap.org/namefinder/ OSM

http://gazetteer.openstreetmap.org/namefinder/?find=834+SE+Lambert+St

OSM Nominatim

http://nominatim.openstreetmap.org

http://nominatim.openstreetmap.org/search?q=834+SE+Lambert+St

http://wiki.openstreetmap.org/wiki/Nominatim

OSS GeoCoder using OSM & geonames data (Java/Solr/PostGIS/Mvn)

http://www.gisgraphy.com/

"Simple OSM Geocoder"

http://github.com/brianw/osmgeocode

**J Spatial **

http://www.ibm.com/developerworks/opensource/library/j-spatial/index.html

Open Data

GeoNames (services: http://www.geonames.org/export/ws-overview.html)

http://wiki.osgeo.org/wiki/Public_Geospatial_Data_Project

Misc

http://dogg.ie/read/simple-osm-geocoder

http://svn.openstreetmap.org/applications/utils/export/osm2pgsql/gazetteer/