Stellarium

Free open-source desktop planetarium that renders a realistic night sky in real time.

Desktopfree

Stellarium is a free, open-source desktop planetarium. It draws a realistic sky in real time for any place and date, matching what you would see with the naked eye, binoculars or a small telescope, and runs on Linux, Windows, macOS and Haiku. It helps stargazers and amateur astronomers identify objects and plan observing sessions.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Stellarium - 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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