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ko vs Docker Buildx: catalog facts
koDocker Buildx
Free

Free to use; the source is published on GitHub.

Free

Free and open source.

Command line Command line
  • No Dockerfile or Docker installation needed
  • Multi-platform builds and SBOMs by default
  • Multi-platform image builds from one command
  • Access to the full BuildKit feature set
  • Only for Go applications
  • Not suited to images needing cgo or OS packages
  • Requires the Docker CLI
  • Command-line only
Downloadable app Downloadable app
Open source Open source
License not stated License not stated
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.