Weather Forecast&Clock Widget(4x2) - more 2000 000 downloads on the market, but is blocked by the market at the request of HTC.
Usual magic widget. Shows the clock and weather forecast in a place where you are. All languages, for all platforms(>=1.5), for all screen sizes. Brings good fortune and luck. Increases libido. Limited edition:(

MapDroyd features world-wide off-line maps powered by OpenStreetMap data. Experience true unplugged vector maps avoiding expensive network connections.

Onboard/Offline GPS Navigation App
»worldwide 2D/3D OSM maps
»turn-by-turn routing/navigation
»voice/audio guidance (>1.6)
»car/pedestrian routing (bike to come)
»local search (places/POI)
»visual/audio speed warning
»map themes (day/night/outdoor)
»frequent map updates
»no cellular network required
»no hidden roaming costs