Space Engine - Space Engine is a realistic virtual Universe you can explore on your computer.
Craft & Oak - Beautiful, minimalistic custom map posters
OpenSpace - OpenSpace is open source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos.
Mapiful - Create & order custom printed maps of your favorite places
Celestia - Real-time 3D visualization of space
Grafomap - A map poster of your favourite place on earth