1
Stellarium
stellarium.orgAlso covers space · same kind of website
Stellarium is planetarium software that displays the sky and celestial objects.
Alternatives
The Best Stellarium-Web Alternatives in 2026
24 alternatives2 free · 1 open source
Looking for something like Stellarium-Web? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 1 are open source.
About Stellarium-Webstellarium-web.org
VisitThe Stellarium Web planetarium displays celestial objects in a browser-based sky view.
Top picks at a glance
First suggestionStellariumStellarium is planetarium software that displays the sky…Free or freemium optionNights on EarthNights on Earth lists astronomical events including meteor…Open source optionStellariumStellarium renders realistic skies in real time with OpenGL…Another optionLightYearLightYear visualizes how long radio broadcasts take to…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Stellarium | — | Not stated | Linux, macOS, Web |
| 2 | LightYear | — | Not stated | Web |
| 3 | Sen | — | Not stated | Web |
| 4 | Space Time | — | Not stated | Web |
| 5 | TheCMB | — | Not stated | Web |
| 6 | Astrogeology | — | Not stated | Web |
| 7 | Solar System | — | Not stated | Web |
| 8 | Cosmos2025 | — | Not stated | Web |
| 9 | GOES-16 Satellite Imagery | — | Not stated | Web |
| 10 | 1 Pixel moon | — | Not stated | Web |
All Stellarium-Web alternatives
2
LightYear
lightyear.fmAlso covers space · same kind of website
LightYear visualizes how long radio broadcasts take to reach different celestial bodies at light speed.
3
Sen
sen.comAlso covers space · same kind of website
Sen provides live 4K video views of Earth captured by its satellites in space.
4
Space Time
space.pointdynamics.comAlso covers space · same kind of website
A browser-based 3D universe explorer combines the solar system, stars, deep-sky objects, satellites, and galaxies.
5
TheCMB
thecmb.orgAlso covers space · same kind of website
TheCMB visualizes data from the Planck mission and provides galactic and ecliptic view controls.
6
Astrogeology
astrogeology-usgs.hub.arcgis.com/pages/map-sea…Also covers space · same kind of website
The USGS Astrogeology map search lets users find planetary maps by celestial body, including planets, moons, and asteroids.
7
Solar System
eyes.nasa.gov/apps/solar-systemAlso covers space · same kind of website
Eyes on the Solar System offers a three-dimensional view for exploring the solar system and past and future missions.
8
Cosmos2025
cosmos2025.iap.fr/fitsmap.htmlAlso covers space · same kind of website
The COSMOS-Web DR1 viewer displays released NIRCam and MIRI images with overlays for photometric and spectroscopic data.
9
GOES-16 Satellite Imagery
rammb-slider.cira.colostate.eduAlso covers space · same kind of website
The SLIDER explorer displays satellite imagery from GOES-16 and Himawari-8 with interactive playback and overlays.
10
1 Pixel moon
joshworth.com/dev/pixelspace/pixelspace_solars…Also covers space · same kind of website
If the Moon Were Only 1 Pixel maps solar system objects in a scale model that begins with a one-pixel Moon.
11
azmth
azmth.spaceAlso covers space · same kind of website
The azmth tracker follows more than 15,000 satellites orbiting Earth and displays their current positions.
12
Atlas of Space
atlasof.spaceAlso covers space · same kind of website
Atlas of Space interactively explores planets, moons, asteroids, and other objects in the Solar System.
13
Space Object Comparison
mr21.github.io/space-object-comparisonAlso covers space · same kind of website
Space Object Comparison interactively compares the sizes of planets and stars.
14
DarkSkyMap
darkskymap.comAlso covers space · same kind of website
DarkSkyMap helps users find stargazing locations by displaying light pollution information.
15
Also covers space · open source
Stellarium renders realistic skies in real time with OpenGL and is available for Linux, Windows, macOS, and Haiku.
16
Spot The Station
spotthestation.nasa.govAlso covers space
NASA's Spot the Station app tracks International Space Station passes and provides viewing schedules and alerts for a location.
17
Also covers space · same kind of website
NASA’s Image and Video Library combines searchable imagery and video with downloads and associated metadata.
18
NASA's Eyes
science.nasa.gov/eyesAlso covers space and web browser · same kind of website
NASA's Eyes offers browser-based three-dimensional visualizations for exploring NASA data and imagery.
19
100,000 Stars
stars.chromeexperiments.comAlso covers space and web browser · same kind of website
The 100,000 Stars visualization presents nearby stars in 3D and provides controls for color and temperature.
20
SpaceSim
spacesim.coAlso covers space · same kind of website
Explore the Solar System, change time, and inspect worlds in this browser-based 3D space simulation.
21
History
nasa.gov/historyAlso covers space · same kind of website
NASA History provides material about the agency's history, including archives and historical research resources.
22
Also covers space · same kind of website · free
Nights on Earth lists astronomical events including meteor showers and planetary conjunctions.
23
Russian Space Web
russianspaceweb.comAlso covers space · same kind of website
Russian Space Web publishes history and news about the Russian space program.
24
Also covers space · same kind of website · free
NASA e-Books provides a catalog of electronic books published by the space agency.
No alternatives match this filter.
Alternatives to similar tools
Images24 alternativesHistory24 alternativesSolar System24 alternativesNASA Ebooks24 alternativesSen24 alternativesNASA's Eyes24 alternatives
What is the best alternative to Stellarium-Web?
Based on features, tags and platforms, the closest alternatives to Stellarium-Web are Stellarium, LightYear, and Sen.
Is there a free alternative to Stellarium-Web?
Yes. Nights on Earth and NASA Ebooks are free or offer a free plan.
Are there open-source alternatives to Stellarium-Web?
Yes: Stellarium.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative