libmarble-dev - 4:20.12.3-1 main

Marble is a generic geographical map widget and framework for KDE
applications. The Marble widget shows the earth as a sphere but does not
require hardware acceleration. A minimal set of geographical data is
included, so it can be used without an internet connection.
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This package contains development files for building software that uses the
Marble globe widget library.
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This package is part of the KDE education module.