AppStream is a collaborative effort for making machine-readable software
metadata easily available to programs that need it. It is part of the
Freedesktop ecosystem and provides a convenient way to retrieve information
about available software.
AppStream consists of a specification to describe individual software
component metadata in XML (so-called MetaInfo files), as well as a
derived specification for a metadata-collection format to provide a
list of these metadata entries in XML or YAML for easy consumption by
software centers and other tools which need to know about available
software in a repository.
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Manual pages:
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