GMapCatcher is an offline maps viewer. It can display maps from many providers such as: CloudMade, OpenStreetMap, Yahoo Maps, Bing Maps, Nokia Maps, SkyVector, Google Map. It displays them using a custom GUI. User can view the maps while offline. GM
ZBar is an open source software suite for reading bar codes from various sources, such as video streams, image files and raw intensity sensors. It supports many popular symbologies (types of bar codes) including EAN-13/UPC-A, UPC-E, EAN-8, Code 128,