1
LightYear
lightyear.fmAlso covers space · same kind of website
LightYear visualizes how long radio broadcasts take to reach different celestial bodies at light speed.
Alternatives
The Best DarkSkyMap Alternatives in 2026
24 alternatives3 free · 1 open source
Looking for something like DarkSkyMap? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 1 are open source.
About DarkSkyMapdarkskymap.com
VisitDarkSkyMap helps users find stargazing locations by displaying light pollution information.
Top picks at a glance
First suggestionLightYearLightYear visualizes how long radio broadcasts take to…Free or freemium optionRocketLaunchRocketLaunch lists upcoming rocket launches, with locations…Open source optionAndroidPlanisphereAndroidPlanisphere provides a star chart showing the Sun…Another optionCosmos2025The COSMOS-Web DR1 viewer displays released NIRCam and MIRI…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | LightYear | — | Not stated | Web |
| 2 | Cosmos2025 | — | Not stated | Web |
| 3 | GOES-16 Satellite Imagery | — | Not stated | Web |
| 4 | azmth | — | Not stated | Web |
| 5 | Stellarium | — | Not stated | Linux, macOS, Web |
| 6 | RocketLaunch | Free | Not stated | Web |
| 7 | ISS Tracker | — | Not stated | Web |
| 8 | Stellarium-Web | — | Not stated | Web |
| 9 | Transit Finder | — | Not stated | Web |
| 10 | Where The ISS At? | — | Not stated | Web |
All DarkSkyMap alternatives
2
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.
3
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.
4
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.
5
Stellarium
stellarium.orgAlso covers space · same kind of website
Stellarium is planetarium software that displays the sky and celestial objects.
6
Also covers space · same kind of website · free
RocketLaunch lists upcoming rocket launches, with locations and launch schedules.
7
ISS Tracker
isstracker.pl/enAlso covers space · same kind of website
ISS Tracker shows the location of the International Space Station and other satellites on a live map.
8
Stellarium-Web
stellarium-web.orgAlso covers space · same kind of website
The Stellarium Web planetarium displays celestial objects in a browser-based sky view.
9
Transit Finder
transit-finder.comAlso covers space · same kind of website
Transit Finder helps plan observations of the International Space Station by location, elevation, and date.
10
Where The ISS At?
wheretheiss.atAlso covers space
This site tracks the International Space Station and offers notifications for visible passes at a user's location.
11
Also covers space · same kind of website
NASA’s Image and Video Library combines searchable imagery and video with downloads and associated metadata.
12
Also covers space · open source
AndroidPlanisphere provides a star chart showing the Sun, Moon, stars, constellations, and planets for a selected location.
13
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.
14
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.
15
Also covers space · same kind of website · free
Nights on Earth lists astronomical events including meteor showers and planetary conjunctions.
16
Sen
sen.comAlso covers space · same kind of website
Sen provides live 4K video views of Earth captured by its satellites in space.
17
Russian Space Web
russianspaceweb.comAlso covers space · same kind of website
Russian Space Web publishes history and news about the Russian space program.
18
Also covers space · same kind of website · free
NASA e-Books provides a catalog of electronic books published by the space agency.
19
NASA's Eyes
science.nasa.gov/eyesAlso covers space · same kind of website
NASA's Eyes offers browser-based three-dimensional visualizations for exploring NASA data and imagery.
20
JPL Photojournal
photojournal.jpl.nasa.govAlso covers space · same kind of website
NASA Photojournal provides space and mission images, animations, and videos, with topic-based browsing and search.
21
SpaceFromSpace
spacefromspace.comAlso covers space · same kind of website
SpaceFromSpace archives declassified Cold War satellite imagery and modern spaceport photographs on interactive maps.
22
Visible Earth
visibleearth.nasa.govAlso covers space · same kind of website
NASA's Earth Observatory publishes images, stories, and discoveries about the environment, Earth systems, and climate.
23
Documents
ntrs.nasa.gov/searchAlso covers space · same kind of website
NASA Technical Reports Server lets users search NASA technical reports and browse its collections.
24
Apollo in Realtime
apolloinrealtime.orgAlso covers space · same kind of website
Apollo in Realtime presents an interactive journey through the Apollo missions.
No alternatives match this filter.
Alternatives to similar tools
Images24 alternativesHistory24 alternativesDocuments24 alternativesVisible Earth24 alternativesNASA Ebooks24 alternativesJPL Photojournal24 alternatives
What is the best alternative to DarkSkyMap?
Based on features, tags and platforms, the closest alternatives to DarkSkyMap are LightYear, Cosmos2025, and GOES-16 Satellite Imagery.
Is there a free alternative to DarkSkyMap?
Yes. RocketLaunch, Nights on Earth, and NASA Ebooks are free or offer a free plan.
Are there open-source alternatives to DarkSkyMap?
Yes: AndroidPlanisphere.
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