Craft & Oak - Beautiful, minimalistic custom map posters
Sky Map - Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the...
Mapiful - Create & order custom printed maps of your favorite places
Star Walk - Star Walk – Sky View: Explore the Stars.
Grafomap - A map poster of your favourite place on earth
Stellarium - Stellarium is a free open source planetarium for your computer.