Heavens Above - Website for tracking Satellites, Space ships and other space objects.
GlobalXplorer - Become a space archaeologist
See A Satellite Tonight - Free web app to explore satellite locations.
Satellite Eyes - Changes your Mac wallpaper to a satellite map of your local
Celestia - Real-time 3D visualization of space
himawari.js - Real-time images of Earth from the Himawari-8 satellite