Lucene OSm search
http://lwn.net/Articles/369624/

OSM in slovakian press
http://www.itnews.sk/spravy/internet/2010-01-14/c131254-projekt-openstreetmap-ma-uz-200-000-pouzivatelov

http://www.cmswire.com/cms/web-cms/wcm-field-notes-give-open-source-a-chance-006369.php - Give open source a chance
A good example of an open data project is OpenStreetMap — a "a free editable map of the whole world". And the UK Government is planning to open up the UK Postcode data in 2010. Currently you have to pay to use this data. As more and more data becomes open, we'll see more clever and useful applications of it.