
Space Engine
Stellarium
Universe Sandbox
Heavens Above
Satscape
See A Satellite Tonight
ISS Detector
Real-time 3D visualization of space

Obsidian
Notion
Joplin
Evernote
Anytype.io
Roam Research
Standard Notes
Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.

Which is more popular?
Based on our record, Logseq should be more popular than Celestia. It has been mentioned 300 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | celestiaproject.space | logseq.com |
| Pricing | ||
| Company | 2001 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


The expandable free and open-source real-time space simulator that lets you explore our universe in three dimensions.
No description of Logseq yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Celestia Review - with Tom Vasel
More videos
Logseq - A Roam Research Alternative for Notes / PKM / To Do / Journal
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Celestia and Logseq. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Celestia yet. Be the first one to post
Logseq is a powerful and advanced tool for thought that has been gaining attention among note-taking enthusiasts and productivity seekers. In this article, we will provide an overview of Logseq, explore what users can...
Outliners (think Workflowy, Roam, Logseq) rely on blocks and indentation for primary connections, and references to other blocks or pages for richer links. They’re optimized for capturing quick thinking.
Refined user interface: Logseq offers a refined user interface that is easy to understand and pleasing to the eyes. On the other hand, Obsidian looks like a jumble of various UI elements which are hard to figure out...
Recommendations tracked on public social media and blogs since March 2021.


The 1st image in that article looks like Celestia. It would be nice to have an add-on for Celestia once enough details are known about 2026 ED138. https://celestiaproject.space/. - Source: Hacker News / 1 day ago
Celestia did all of this and more. 10+ years ago. https://celestiaproject.space/. - Source: Hacker News / about 2 months ago
Incredible work! My son really had a blast scrolling around and exploring last night. Did you take any inspiration from Celestia (https://celestiaproject.space)? It's been over 15 years since I last really used it (and starts with... - Source: Hacker News / almost 2 years ago
Using Logseq[1][2] for years and quite happy with it, especially since it has apps for tablets/iPad and phones as well, while being completely FOSS. [1] https://logseq.com/ [2] https://github.com/logseq/logseq. - Source: Hacker News / 4 months ago
Choose a local Markdown tool like Obsidian, Logseq, Foam, or Tolaria to store all your knowledge as plain .md files you own and control. - Source: dev.to / 6 months ago
I should call out another thing that convinced me was a user of forgetful (twsta) posted in the discord a skill for managing wok and todos from how they used to use Logseq. - Source: dev.to / 8 months ago
When comparing Celestia and Logseq, you can also consider the following products.

Space Engine is a realistic virtual Universe you can explore on your computer.
Compare Space Engine to Celestia or Logseq:

A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
Compare Obsidian to Celestia or Logseq:

Stellarium is a free open source planetarium for your computer.
Compare Stellarium to Celestia or Logseq:

All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Compare Notion to Celestia or Logseq:

Universe Sandbox ² is a physics-based space simulator where you can simulate Events and even break physics and friction with certain features.
Compare Universe Sandbox to Celestia or Logseq:

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Compare Joplin to Celestia or Logseq: