planetarium

Free, open-source 3D solar-system planetarium built on the Godot engine, runnable on Windows or the web.

Desktopfree

Planetarium is a free, open-source 3D software planetarium built on the Godot Engine, letting anyone navigate a real-time solar system including planets, moons, tens of thousands of asteroids, and historical spacecraft trajectories. It runs as a Windows app or in a browser and is designed for the community to extend.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of planetarium - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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