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Real-time 3D space simulator that lets you fly through a model of the universe down to planetary surfaces.
Get it
Download from the developer
Install with Homebrew: brew install --cask celestia
The promise
- ✓ No ads
- ✓ No purchases
- ✓ No subscriptions
- ✓ No trials
- ✓ No nagging
- ✓ No surprise bundles
Transparency
✓ Open source
✓ Works offline
✓ No account needed
Something wrong?
Reports go to a human review queue. No timeline promised — this is a small pilot, but every report gets read.
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