Shadows is a software package for the calculation and drawing of sundials and astrolabes, available as a freeware in its base level. It has been developed by François Blateyron, software developer and amateur astronomer, who made it available on Internet since 1997 and continues to improve it. It is used worldwide by thousands of sundial enthusiasts. It is compatible with Windows 11/10, 8.x and 7. Shadows is available in three levels: Shadows is a freeware; Since version 3.0, it also supports the creation of astrolabes.
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This article is an automated import of the Wikipedia article "Shadows (software)", available at https://en.wikipedia.org/wiki/Shadows_(software) . Text is licensed under CC BY-SA 4.0.