AppStream icon
AppStream icon

AppStream

AppStream is a cross-distribution effort for enhancing the way we interact with the software repositories provided by (Linux) distributions by standardizing software component metadata.

Cost / License

Platforms

  • Linux
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Features

  1.  Metadata Editor

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GitHub repository

  •  281 Stars
  •  140 Forks
  •  62 Open Issues
  •   Updated  
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What is AppStream?

AppStream is a cross-distribution effort for enhancing the way we interact with the software repositories provided by (Linux) distributions by standardizing software component metadata.

It provides the foundation to build software-center applications, by providing metadata necessary for an application-centric view on package repositories. AppStream additionally provides specifications for things like an unified software metadata database, screenshot services and various other things needed to create user-friendly application-centers for (Linux) distributions.

What AppStream Offers

  • Specifications & Standards: Describes the XML-based MetaInfo files for use by upstream projects, as well as AppStream catalog metadata in XML or YAML for use by repository providers.
  • Reference Implementation: Provides GLib/GObject libraries for easy manipulation of metadata, with features for quick metadata indexing, querying and system compatibility checks. A Qt interface and other language bindings are provided as well.
  • Tools: Includes appstreamcli for metadata queries, data verification and diagnostics. The appstreamcli compose tool can be used for simple catalog metadata composition.