1
Space Notices
space-notices.comAlso covers space · same kind of website
Space Notices lists upcoming rocket launches and spaceflight events, alongside recent launches.
Alternatives
The Best Encyclopedia Astronautica Alternatives in 2026
24 alternatives3 free · 1 open source
Looking for something like Encyclopedia Astronautica? 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 Encyclopedia Astronauticaastronautix.com
VisitEncyclopedia Astronautica provides a spaceflight reference with tens of thousands of pages and thousands of images.
Top picks at a glance
First suggestionSpace NoticesSpace Notices lists upcoming rocket launches and…Free or freemium optionOrbiterOrbiter simulates spaceflight using Newtonian mechanics…Another optionNext SpaceflightNext Spaceflight lists upcoming launches and provides…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Space Notices | — | Not stated | Web |
| 2 | Next Spaceflight | — | Not stated | Android, iOS, Web |
| 3 | Orbiter | Free | Yes | — |
| 4 | Images | — | Not stated | Web |
| 5 | JPL Photojournal | — | Not stated | Web |
| 6 | Visible Earth | — | Not stated | Web |
| 7 | JPL Images | — | Not stated | Web |
| 8 | NASA | — | Not stated | Web |
| 9 | History | — | Not stated | Web |
| 10 | Cosmos2025 | — | Not stated | Web |
All Encyclopedia Astronautica alternatives
2
Next Spaceflight
nextspaceflight.comAlso covers space · same kind of website
Next Spaceflight lists upcoming launches and provides schedule details such as launch sites, vehicles, and payloads.
3
Also covers space · open source · free
Orbiter simulates spaceflight using Newtonian mechanics, with the solar system and its major bodies as its setting.
4
Also covers space · same kind of website
NASA’s Image and Video Library combines searchable imagery and video with downloads and associated metadata.
5
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.
6
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.
7
JPL Images
jpl.nasa.gov/imagesAlso covers space · same kind of website
NASA's Jet Propulsion Laboratory Image Gallery lets visitors browse and search space photographs and science images.
8
NASA
nasa.govAlso covers space · same kind of website
NASA.gov shares news, images, and videos about space exploration, scientific discovery, and aeronautics.
9
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.
10
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.
11
ESAWebb
esawebb.orgAlso covers space · same kind of website
ESA Webb shares news and images from the James Webb Space Telescope, including research observations.
12
Images / Videos
jda.jaxa.jp?lang=eAlso covers space · same kind of website
JAXA Digital Archives offers images from its collection, including material about launch vehicles and space missions.
13
Energia-Buran Archive
buranarchive.spaceAlso covers space · same kind of website
The Energia-Buran Archive catalogs images of Buran orbiters, organized into albums.
14
Planet Globe
nbremer.github.io/planet-globeAlso covers space · same kind of website
Planet presents satellite imagery of Earth, including a visualization of images captured across a single day.
15
ESO Images
eso.org/public/imagesAlso covers space · same kind of website
The European Southern Observatory image gallery collects astronomy images across subjects such as galaxies, exoplanets, and cosmology.
16
Also covers space · same kind of website · free
Nights on Earth lists astronomical events including meteor showers and planetary conjunctions.
17
Sen
sen.comAlso covers space · same kind of website
Sen provides live 4K video views of Earth captured by its satellites in space.
18
Russian Space Web
russianspaceweb.comAlso covers space · same kind of website
Russian Space Web publishes history and news about the Russian space program.
19
Also covers space · same kind of website · free
NASA e-Books provides a catalog of electronic books published by the space agency.
20
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.
21
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.
22
SpaceFromSpace
spacefromspace.comAlso covers space · same kind of website
SpaceFromSpace archives declassified Cold War satellite imagery and modern spaceport photographs on interactive maps.
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 alternativesNASA24 alternativesDocuments24 alternativesVisible Earth24 alternativesJPL Photojournal24 alternatives
What is the best alternative to Encyclopedia Astronautica?
Based on features, tags and platforms, the closest alternatives to Encyclopedia Astronautica are Space Notices, Next Spaceflight, and Orbiter.
Is there a free alternative to Encyclopedia Astronautica?
Yes. Orbiter, Nights on Earth, and NASA Ebooks are free or offer a free plan.
Are there open-source alternatives to Encyclopedia Astronautica?
Yes: Orbiter.
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