1
Also covers open source and space · same kind of open-source project
Keeptrack.space visualizes satellite data and tracking sensors in 3D for users exploring astrodynamics.
Alternatives
The Best Look4Sat Alternatives in 2026
24 alternatives2 free · 7 open source
Looking for something like Look4Sat? 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 7 are open source.
Look4Sat provides an Android satellite tracker and pass predictor, with information sourced from Celestrak.
Top picks at a glance
First suggestionKeeptrack.spaceKeeptrack.space visualizes satellite data and tracking…Free or freemium optionOrbiterOrbiter simulates spaceflight using Newtonian mechanics…Another optionSgp4gl DemoThis project demonstrates real-time three-dimensional…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Keeptrack.space | — | Yes | — |
| 2 | Sgp4gl Demo | — | Yes | — |
| 3 | AndroidCelestia | — | Yes | Android |
| 4 | AndroidPlanisphere | — | Yes | Android |
| 5 | Stellarium | — | Yes | Android, Linux, macOS |
| 6 | Orbiter | Free | Yes | — |
| 7 | Webb Compare | — | Yes | — |
| 8 | CelesTrack | — | Not stated | Web |
| 9 | Spot The Station | — | Not stated | Android, iOS |
| 10 | Where The ISS At? | — | Not stated | Web |
All Look4Sat alternatives
2
Also covers open source and space · same kind of open-source project
This project demonstrates real-time three-dimensional satellite visualization in a browser using SGP4GL, CesiumJS, and Next.js.
3
Also covers android, open source, and space · same kind of open-source project
Celestia for Android is a real-time space simulator for exploring the solar system on an Android device.
4
Also covers android, open source, and space · same kind of open-source project
AndroidPlanisphere provides a star chart showing the Sun, Moon, stars, constellations, and planets for a selected location.
5
Also covers android, open source, and space · same kind of open-source project
Stellarium renders realistic skies in real time with OpenGL and is available for Linux, Windows, macOS, and Haiku.
6
Also covers open source and space · same kind of open-source project · free
Orbiter simulates spaceflight using Newtonian mechanics, with the solar system and its major bodies as its setting.
7
Also covers open source and space · same kind of open-source project
Webb Compare lets visitors compare images from the James Webb Space Telescope with earlier telescope images.
8
CelesTrack
celestrak.orgAlso covers space
CelesTrak is a nonprofit organization with a mission related to space and satellite information.
9
Spot The Station
spotthestation.nasa.govAlso covers android and space
NASA's Spot the Station app tracks International Space Station passes and provides viewing schedules and alerts for a location.
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
ISS Tracker
isstracker.pl/enAlso covers space
ISS Tracker shows the location of the International Space Station and other satellites on a live map.
12
azmth
azmth.spaceAlso covers space
The azmth tracker follows more than 15,000 satellites orbiting Earth and displays their current positions.
13
SpaceFromSpace
spacefromspace.comAlso covers space
SpaceFromSpace archives declassified Cold War satellite imagery and modern spaceport photographs on interactive maps.
14
Satellite Map
satellitemap.spaceAlso covers space
Satellite Map tracks satellites in real time on an interactive 3D map.
15
GOES-16 Satellite Imagery
rammb-slider.cira.colostate.eduAlso covers space
The SLIDER explorer displays satellite imagery from GOES-16 and Himawari-8 with interactive playback and overlays.
16
See A Satellite Tonight
james.darpinian.com/satellitesAlso covers space
See a Satellite Tonight helps visitors find when and where satellites will appear in their sky.
17
Planet Globe
nbremer.github.io/planet-globeAlso covers space
Planet presents satellite imagery of Earth, including a visualization of images captured across a single day.
18
EarthData
worldview.earthdata.nasa.govAlso covers space
NASA Worldview provides an interactive interface for browsing full-resolution daily satellite images from around the globe.
19
SGP4
sgp4gl-demo.vercel.appAlso covers space
SGP4.gl provides a GPU-accelerated three-dimensional satellite visualization using SGP4, CesiumJS, and Next.js.
20
Also covers android and space · free
Nights on Earth lists astronomical events including meteor showers and planetary conjunctions.
21
Also covers space
NASA’s Image and Video Library combines searchable imagery and video with downloads and associated metadata.
22
Find Starlink
findstarlink.comAlso covers android and space
Find Starlink helps users calculate when Starlink satellites can be seen overhead, with a live map.
23
Next Spaceflight
nextspaceflight.comAlso covers android and space
Next Spaceflight lists upcoming launches and provides schedule details such as launch sites, vehicles, and payloads.
24
Solar System Scope
solarsystemscope.comAlso covers android and space
Solar System Scope provides an online 3D simulation of the Solar System and night sky.
No alternatives match this filter.
Alternatives to similar tools
Images24 alternativesEarthData24 alternativesSpaceFromSpace24 alternativesNights on Earth24 alternativesOrbiter24 alternativesISS Tracker24 alternatives
What is the best alternative to Look4Sat?
Based on features, tags and platforms, the closest alternatives to Look4Sat are Keeptrack.space, Sgp4gl Demo, and AndroidCelestia.
Is there a free alternative to Look4Sat?
Yes. Orbiter and Nights on Earth are free or offer a free plan.
Are there open-source alternatives to Look4Sat?
Yes: Keeptrack.space, Sgp4gl Demo, AndroidCelestia, and 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