OSM Error is a web application that generates a GPX waypoint file showing the location of likely errors/missing information in the OpenStreetMap dataset.
If you install OSM Error on your own server, rename inc_config_dist.php to inc_config.php before running OSM Error
Code to get co-ordinates from map taken from MapOSMatic and copyright (c) 2009 Étienne Loks (etienne.loks_AT_peacefrogsDOTnet). Other code copyright (c) 2009-2010 Russ Phillips (russ AT phillipsuk DOT org). OSM Error and MapOSMatic are both released under the GNU GPL. See the file gpl.txt for full details
OSM Error main page : mappage.org