1
Also covers space · free
Nights on Earth lists astronomical events including meteor showers and planetary conjunctions.
Alternatives
The Best Siril Alternatives in 2026
24 alternatives2 free · 0 open source
Looking for something like Siril? 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.
Siril processes astronomical images and provides information about available software versions.
Top picks at a glance
First suggestionNights on EarthNights on Earth lists astronomical events including meteor…Another optionLite VersionAladin Lite is an online sky atlas for visualizing regions…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Nights on Earth | Free | Not stated | Android, Web |
| 2 | Lite Version | — | Not stated | Web |
| 3 | Stellarium | — | Not stated | Linux, macOS, Web |
| 4 | Home Page | — | Not stated | Web, Windows |
| 5 | Images | — | Not stated | Web |
| 6 | JPL Photojournal | — | Not stated | Web |
| 7 | Visible Earth | — | Not stated | Web |
| 8 | JPL Images | — | Not stated | Web |
| 9 | NASA | — | Not stated | Web |
| 10 | History | — | Not stated | Web |
All Siril alternatives
2
Lite Version
aladin.cds.unistra.fr/AladinLiteAlso covers space
Aladin Lite is an online sky atlas for visualizing regions of the sky, FITS images, and overlaid astronomical tables.
3
Stellarium
stellarium.orgAlso covers linux, macos, and space
Stellarium is planetarium software that displays the sky and celestial objects.
4
Home Page
worldwidetelescope.org/homeAlso covers space
WorldWide Telescope is a browser-based suite for showcasing astronomical data and imagery, rather than a physical telescope.
5
Also covers space
NASA’s Image and Video Library combines searchable imagery and video with downloads and associated metadata.
6
JPL Photojournal
photojournal.jpl.nasa.govAlso covers space
NASA Photojournal provides space and mission images, animations, and videos, with topic-based browsing and search.
7
Visible Earth
visibleearth.nasa.govAlso covers space
NASA's Earth Observatory publishes images, stories, and discoveries about the environment, Earth systems, and climate.
8
JPL Images
jpl.nasa.gov/imagesAlso covers space
NASA's Jet Propulsion Laboratory Image Gallery lets visitors browse and search space photographs and science images.
9
NASA
nasa.govAlso covers space
NASA.gov shares news, images, and videos about space exploration, scientific discovery, and aeronautics.
10
History
nasa.gov/historyAlso covers space
NASA History provides material about the agency's history, including archives and historical research resources.
11
Cosmos2025
cosmos2025.iap.fr/fitsmap.htmlAlso covers space
The COSMOS-Web DR1 viewer displays released NIRCam and MIRI images with overlays for photometric and spectroscopic data.
12
ESAWebb
esawebb.orgAlso covers space
ESA Webb shares news and images from the James Webb Space Telescope, including research observations.
13
Images / Videos
jda.jaxa.jp?lang=eAlso covers space
JAXA Digital Archives offers images from its collection, including material about launch vehicles and space missions.
14
Energia-Buran Archive
buranarchive.spaceAlso covers space
The Energia-Buran Archive catalogs images of Buran orbiters, organized into albums.
15
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.
16
ESO Images
eso.org/public/imagesAlso covers space
The European Southern Observatory image gallery collects astronomy images across subjects such as galaxies, exoplanets, and cosmology.
17
Sen
sen.comAlso covers space
Sen provides live 4K video views of Earth captured by its satellites in space.
18
Russian Space Web
russianspaceweb.comAlso covers space
Russian Space Web publishes history and news about the Russian space program.
19
Also covers space · 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
NASA's Eyes offers browser-based three-dimensional visualizations for exploring NASA data and imagery.
21
SpaceFromSpace
spacefromspace.comAlso covers space
SpaceFromSpace archives declassified Cold War satellite imagery and modern spaceport photographs on interactive maps.
22
Documents
ntrs.nasa.gov/searchAlso covers space
NASA Technical Reports Server lets users search NASA technical reports and browse its collections.
23
Apollo in Realtime
apolloinrealtime.orgAlso covers space
Apollo in Realtime presents an interactive journey through the Apollo missions.
24
ESA
esa.intAlso covers space
The European Space Agency portal shares current news, strategy, and information about its programs.
No alternatives match this filter.
Alternatives to similar tools
Images24 alternativesHistory24 alternativesNASA24 alternativesDocuments24 alternativesVisible Earth24 alternativesJPL Photojournal24 alternatives
What is the best alternative to Siril?
Based on features, tags and platforms, the closest alternatives to Siril are Nights on Earth, Lite Version, and Stellarium.
Is there a free alternative to Siril?
Yes. Nights on Earth and NASA Ebooks are free or offer a free plan.
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