Seismic ExplorerScience & EducationSeismic Explorer—interactive map of earthquakes for learning about seismic activity.
Stuffin SpaceGeography & AstronomyStuff in Space—3D map of objects in Earth orbit you can rotate and inspect in the browser.
nextrocket.space - List of upcoming rocket launches to space.Geography & AstronomyNextRocket—upcoming rocket launch schedule and related launch info.
PeakfinderGeography & AstronomyPeakFinder—identify mountain peaks in a panoramic view with labeled names.
Old photos of the EarthGeography & AstronomyInteractive Earth / plate-motion view with historical imagery on yunser’s 3D app page.
OldMapsOnlineFun Geography5.01OldMapsOnline—search and view high-res historic maps from libraries and archives worldwide.
OpenRailwayMapGeography & AstronomyOpenRailwayMap—OpenStreetMap-based map of railway infrastructure worldwide.
ChronasGeography & AstronomyChronas—interactive historical map and timeline of changing political borders.
Space ElevatorGeography & Astronomyneal.fun Space Elevator—scroll a long vertical trip from Earth toward space.
WatchedGeography & AstronomyPick any place on Earth and see every public satellite that passed over it in the last seven days, plus the actual images they captured. Runs in your browser on public orbit data.